OpenTechnical

OT-2026-000062859

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000062859) never changes.

Identity and time

Publication numberOT-2026-000062859 · never reused
Internal UUID01a0ae8c-94a8-7061-8e47-efb504c82a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062859
StatusPUBLIC

Content hashes

Canonical text30dd8c2b4fa13d05320122ee4dc6fcb917e7ffaa55a9caa0fb776c247ad04b1c
Markdown847772c5585ed962e69854e702942ba8ee4a2f6c607c2ed4c7ec4ec3bae89e89
PDF
Publication page81707575781704aa8a0961f855c120dbb0a0703a11b20da6ff8b7f90c64b034c
Manifestdf7877d801f6f8b3d8ad6e1efdbb48c844a28d144d87e66435242f42c8572704

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
SignatureXMFRnvd4rguQAu3wY7tTIn7n7D7J0OcASF1JLksssV4PEBBRi5lbDUgbeFaqblzurkBhybgulfDMy3TNAT5CBw==
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

2026-09-17T10:40:12.519370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859
observed 81707575781704aa8a0961f855c120db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.500222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859/manifest.json
observed df7877d801f6f8b3d8ad6e1efdbb48c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.477465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859/publication.md
observed 847772c5585ed962e69854e702942ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.456648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859/publication.txt
observed 30dd8c2b4fa13d05320122ee4dc6fcb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.455912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859
observed 81707575781704aa8a0961f855c120db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.438610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859/manifest.json
observed df7877d801f6f8b3d8ad6e1efdbb48c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.421375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859/publication.md
observed 847772c5585ed962e69854e702942ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.403906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062859/publication.txt
observed 30dd8c2b4fa13d05320122ee4dc6fcb9...
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.