OpenTechnical

OT-2026-000030110

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030110) never changes.

Identity and time

Publication numberOT-2026-000030110 · never reused
Internal UUID01a0ae73-e4ff-7897-be1b-eff3b6078b71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030110
StatusPUBLIC

Content hashes

Canonical text0013574f771f2c98e0c82822bc0b9638fd5ca26541983495d4d9a3642347abcf
Markdown8f30c19ff4d2b5da503ac054f04ab786feec120b559c516f2e4be60c888d92a1
PDF
Publication pagedaaf0c8b9b09545aa8b19119feb1dd2120be4ef46ff1563bcdfdef2686e64d95
Manifest14fa7b2cfa6024f38719ef785cd1fe74c6a9745c4c94a3268a30f619f2dd3f90

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
Signature2AC5H839OE3x4TC5/l8jZ7xbezPo95VsGPBVQ+svhwF5+0PINRYPiEg52JU+TSGztf4DPQFyRduMuE20rCZmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:40:20.492582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110
observed daaf0c8b9b09545aa8b19119feb1dd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.475734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110/manifest.json
observed 14fa7b2cfa6024f38719ef785cd1fe74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.457752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110/publication.md
observed 8f30c19ff4d2b5da503ac054f04ab786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.439383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110/publication.txt
observed 0013574f771f2c98e0c82822bc0b9638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.481755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110
observed daaf0c8b9b09545aa8b19119feb1dd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.460343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110/manifest.json
observed 14fa7b2cfa6024f38719ef785cd1fe74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.442647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110/publication.md
observed 8f30c19ff4d2b5da503ac054f04ab786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.424536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030110/publication.txt
observed 0013574f771f2c98e0c82822bc0b9638...
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.