OpenTechnical

OT-2026-000045675

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045675) never changes.

Identity and time

Publication numberOT-2026-000045675 · never reused
Internal UUID01a0ae7d-8f03-7f61-9e53-84c6efab5fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045675
StatusPUBLIC

Content hashes

Canonical text0f9d161cd56615d4f3bd22a502b72df226e6581dd40c4d3420e4c19b12e36b54
Markdownc91ff36d4a4d109946bd554268da689bf45a88f7f5e2cb2d19b434dcc36576fd
PDF
Publication pageaeb66b924e102e6f0d9598687dbe72255d33fd84d96e5721999d1a1d504b531a
Manifestb42dfe6ff39ecb78defc78d68105a431f0079bfbc5f8ea4a55293865936d33ab

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
SignatureFw4eyo8ZLiOF3O8wTGlC/0sVyeY0u+fAUCo7OmMlthjONMYUt52N8gVPR2n45BilYA0ECdlX9oJd63dt683BDQ==
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

2026-09-17T11:09:28.424633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045675
observed aeb66b924e102e6f0d9598687dbe7225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.406350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045675/manifest.json
observed b42dfe6ff39ecb78defc78d68105a431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.388288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045675/publication.md
observed c91ff36d4a4d109946bd554268da689b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.369039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045675/publication.txt
observed 0f9d161cd56615d4f3bd22a502b72df2...
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.