OpenTechnical

OT-2026-000088617

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000088617) never changes.

Identity and time

Publication numberOT-2026-000088617 · never reused
Internal UUID01a0ae9b-8f0f-7e03-89b7-f0ea75eae285 · 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-2026-000088617
StatusPUBLIC

Content hashes

Canonical textb1bd1d4618d9e3c2baeae3a100f68627775e58cb4f3c0f1040567b6c31e4a415
Markdown255254aacfcbf8e49d0e8a45f2d29d4e1aea3b87a06833b35c886984c6fd686c
PDF
Publication page8a0a7c00f5ab1a9cd60cbf160235cbf18f1359d1757bcee41cd813924a100e55
Manifest6e173aa49070c2dd00f2cf02cc7bf59cdbdd8f89adec296d697d39c3cb0d0649

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
SignatureOi/zCooXKOEQbwbh6fKOtVUAT6oFrypsLjP+n24lmBav7JfXN5zPt+KRw0VYdfs/J0W8S7o3LjEA2zAr4vc1Cg==
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

2026-09-17T09:47:49.632204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088617
observed 8a0a7c00f5ab1a9cd60cbf160235cbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.615116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088617/manifest.json
observed 6e173aa49070c2dd00f2cf02cc7bf59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.595045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088617/publication.md
observed 255254aacfcbf8e49d0e8a45f2d29d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.575987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088617/publication.txt
observed b1bd1d4618d9e3c2baeae3a100f68627...
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.