OpenTechnical

OT-2026-000073453

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000073453) never changes.

Identity and time

Publication numberOT-2026-000073453 · never reused
Internal UUID01a0ae92-efb8-7e65-ab30-8a2a66d27a07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073453
StatusPUBLIC

Content hashes

Canonical text89649fa0bb29ae5d84d1c4d24db54108fb6a6b7fa014966cb8cf573374c7ee30
Markdown90ac740911b08e86db1aba3d8622c37b75ac524bebe346a5b3a19deca4dbc893
PDF
Publication page80955d5619da1b0afe5907b9749bc7bd9ac55455866563e13c75001cffae06c8
Manifeste8a08f4d0a52ce942e8ecfb161ef92ee2bc9698d99fa02f4f50252c9beaf4da3

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
SignatureJzls1zcrZqdmDPP5nHoiPoNCtjdGs0a0qb7FVYDKraogBSCTbt/LajF/NfKx2UDXSK+s3zyYr3FpS/XiCJfmDw==
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

2026-09-17T10:21:36.980481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073453
observed 80955d5619da1b0afe5907b9749bc7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.962175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073453/manifest.json
observed e8a08f4d0a52ce942e8ecfb161ef92ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.941559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073453/publication.md
observed 90ac740911b08e86db1aba3d8622c37b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.914647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073453/publication.txt
observed 89649fa0bb29ae5d84d1c4d24db54108...
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.