OpenTechnical

OT-2026-000022928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000022928) never changes.

Identity and time

Publication numberOT-2026-000022928 · never reused
Internal UUID01a0ae70-46eb-706a-81ff-b51ce5ba6512 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022928
StatusPUBLIC

Content hashes

Canonical text3e1b3a34f4ad0845839e5a3513be4ced6592d785abcd45590cfce10d06d122a5
Markdown7093ca5bea68e3c670ba6cc708af16ca20c3515aeca81767c15c8a38b0607536
PDF
Publication page39f5a125300643fa1e0a06cea65ad4b691a99cd61d121dba8c6c3a5ac01874fc
Manifest104b531dd4423ba646d6a2464fecb7fe0e54904db55f2df5c838ebe1ca7cb696

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
SignatureRA6ZiLUaHNDCTXs7CyGvLPzEoELDLhB7AJSpWySAB2N4Jr4i/C5AAxUUWHNoJ43Ahx2uohrKCIMMWE4KlcLGAA==
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

2026-09-17T11:52:30.386239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022928
observed 39f5a125300643fa1e0a06cea65ad4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.368284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022928/manifest.json
observed 104b531dd4423ba646d6a2464fecb7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.351722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022928/publication.md
observed 7093ca5bea68e3c670ba6cc708af16ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.335393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022928/publication.txt
observed 3e1b3a34f4ad0845839e5a3513be4ced...
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.