OpenTechnical

OT-2026-000087014

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000087014) never changes.

Identity and time

Publication numberOT-2026-000087014 · never reused
Internal UUID01a0ae9a-9f2d-7cc1-b4fe-4e7281961754 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087014
StatusPUBLIC

Content hashes

Canonical text188baa4d401246e773efd4fca22e4a1205bdcad6c3c7030af5b314854536e716
Markdown5cb3a49a8a7f82de23cc861988a48061a050b5236369a55d7aac12d72e6ad4e3
PDF
Publication pagec64afb06dfb58612fc81a6c63fe90ad2648898a507da8ff6bcb017c83991d717
Manifest5b4f7fab89094c819a2e29d1d286d3b8cd8cd77d747aa733bdfef27b26b99b5c

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
Signature4BWJJPzc46yQrqIYMs5vs0MPH7Qr1qbyHnI9hAwPLUQDr/07tcSOi9U5XEOSEk03yNEtuA/H1URG3Vlg4m/oDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:14.116647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087014
observed c64afb06dfb58612fc81a6c63fe90ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.099796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087014/manifest.json
observed 5b4f7fab89094c819a2e29d1d286d3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.083385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087014/publication.md
observed 5cb3a49a8a7f82de23cc861988a48061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.065776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087014/publication.txt
observed 188baa4d401246e773efd4fca22e4a12...
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.