OpenTechnical

OT-2026-000088630

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000088630) never changes.

Identity and time

Publication numberOT-2026-000088630 · never reused
Internal UUID01a0ae9b-8f0f-7272-85aa-509293bf205c · 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-2026-000088630
StatusPUBLIC

Content hashes

Canonical text882cdb6e211819402bc84f178740ab115d06abf1562c68b57c05b095a9276fc3
Markdownc0fafc6b8b499b3c30ab3865829b2228f57bc504f84bc142316387a3f1cdc06b
PDF
Publication page3640cd40399682a6f706d7f6b3b2036f26e1387a86c12a09a55b31f4cabb4485
Manifestfe198aa1b0852b6427fb8079a362eb2b16a4e142d13584f2be4b8d9c3c2bb523

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
SignaturePta56/X1bEAd10rCKHgXYrlPG30NDxCahZDwlXY9aZlvQpYULySrTxlSBhQuvSBKKUcf2dI/1LtxikzwFZLiDA==
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

2026-09-17T09:47:44.721198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088630
observed 3640cd40399682a6f706d7f6b3b2036f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.704082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088630/manifest.json
observed fe198aa1b0852b6427fb8079a362eb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.687579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088630/publication.md
observed c0fafc6b8b499b3c30ab3865829b2228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.638259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088630/publication.txt
observed 882cdb6e211819402bc84f178740ab11...
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.