OpenTechnical

OT-2026-000043777

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000043777) never changes.

Identity and time

Publication numberOT-2026-000043777 · never reused
Internal UUID01a0ae7b-d676-7e08-93c8-5d98232906ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043777
StatusPUBLIC

Content hashes

Canonical textec6c4ad30538212be163f003045174f27e74fb42e0e66a11ba0d67b5a6a65791
Markdown19fdfcb6dbf5bddda8a85c8ecda9befb2d3c1ff26180d8933154190e45f6ffd8
PDF
Publication page61e3d810ebeeb1fddf1a67008798636e9ded41837d3eface1f0d7dcc36e301f9
Manifestf470cb62b9d882145f10022fcf52679ec97120d0741a0d812c0badd101724baf

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
SignatureSpThGo3xx4YCA4U2zX+LRE97mCT11nvNwImKMYfWwAJTZpCZ9OEPU1iWNes55te4nDsawa5VRMM+CeH70nbyAA==
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

2026-09-17T11:12:04.123097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043777
observed 61e3d810ebeeb1fddf1a67008798636e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:04.103087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043777/manifest.json
observed f470cb62b9d882145f10022fcf52679e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:04.083871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043777/publication.md
observed 19fdfcb6dbf5bddda8a85c8ecda9befb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:04.062944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043777/publication.txt
observed ec6c4ad30538212be163f003045174f2...
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.