OpenTechnical

OT-2026-000088867

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line 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-2026-000088867) never changes.

Identity and time

Publication numberOT-2026-000088867 · never reused
Internal UUID01a0ae9b-8f11-7284-9d41-391d69e71fcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088867
StatusPUBLIC

Content hashes

Canonical text03c1245c6fe913577daa8caa8267bb09e7f8eac7b4e0225eb0e070b80e8286c0
Markdownf47f7566ca05937c4eaf77032525c583f96b89f882bf5f3be3cd12242415e8ba
PDF
Publication pagedbec6ccffa85c9d7775e19a8f33b217f1625bf658cb9e1d5fcb73064276cf526
Manifestfe9cf20716d4382b1d6e08bb6184d5b2f82b97d91ab90dee1ce23c7d015d2831

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
Signature0SYv0gIQ/otTNPdKTz9vsj2Og4Vn2Of1cClw8Kg4ub2tbWnHfmm0YRfnPVPCeG3iWPZbLsqJKtU5MDKkfsSZAA==
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

2026-09-17T09:48:15.795039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088867
observed dbec6ccffa85c9d7775e19a8f33b217f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.775859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088867/manifest.json
observed fe9cf20716d4382b1d6e08bb6184d5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.755735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088867/publication.md
observed f47f7566ca05937c4eaf77032525c583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.738784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088867/publication.txt
observed 03c1245c6fe913577daa8caa8267bb09...
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.