OpenTechnical

OT-2026-000057304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057304) never changes.

Identity and time

Publication numberOT-2026-000057304 · never reused
Internal UUID01a0ae87-d5bc-76f4-a7c9-c1f58b9a4f1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057304
StatusPUBLIC

Content hashes

Canonical text2543e95d578f2f3a6932135b3dfe5d26e28a716d923fe82360b28916dca619d4
Markdown957f3ddbc8a5f2c86cb7c64269214fe1fc353338e7e7b81d653c81517fd87cf1
PDF
Publication page6e2e50f670497976b52993752233397273de2fd97823ca1b5fe9c57076bdc8b9
Manifest9a928f1b14edd6e55dea882203b7eca38837dce4490be22b9dc4f92b6b7f957b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDgIrSiOKDdz3ngYWhHY2QSsgNFIOTnMyfEUQPZDqMStzeyCu822/GgZcSREwCP76buFTEBxYpOPJVkR8Ut4gCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:24.634501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304
observed 6e2e50f670497976b529937522333972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.616634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304/manifest.json
observed 9a928f1b14edd6e55dea882203b7eca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.596783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304/publication.md
observed 957f3ddbc8a5f2c86cb7c64269214fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.580324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304/publication.txt
observed 2543e95d578f2f3a6932135b3dfe5d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.908245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304
observed 6e2e50f670497976b529937522333972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.892850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304/manifest.json
observed 9a928f1b14edd6e55dea882203b7eca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.874226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304/publication.md
observed 957f3ddbc8a5f2c86cb7c64269214fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.855604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057304/publication.txt
observed 2543e95d578f2f3a6932135b3dfe5d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.