OpenTechnical

OT-2026-000053858

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000053858) never changes.

Identity and time

Publication numberOT-2026-000053858 · never reused
Internal UUID01a0ae85-735e-72cd-aef0-b20ca669a5ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053858
StatusPUBLIC

Content hashes

Canonical texte8639002a00ce1e3333ed430174038600a85ddf7f71884d4f8b4655321c81bef
Markdown24f6b8ab2429ddca24e8b4586a5fdd3b99e5026d0c8a17ee23d352462e6f1573
PDF
Publication page851a2ffc659b8726a40d07e01e116e4c5e3fe13bfe0bf0172c3243681ff932ab
Manifest51e01eccc78759d946c56de751339fd66a6a84250ed7f50d936025206af1150e

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
Signature4EBqsi4MR9xFVJg02pMrH3qrVqN0sJksB0tdUQKn6FKZmNlNwbNehsmVyPoCmK1V6divvDPvc+kJa2aF1ozSDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:36.815496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053858
observed 851a2ffc659b8726a40d07e01e116e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.796723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053858/manifest.json
observed 51e01eccc78759d946c56de751339fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.777930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053858/publication.md
observed 24f6b8ab2429ddca24e8b4586a5fdd3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.748035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053858/publication.txt
observed e8639002a00ce1e3333ed43017403860...
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.