OpenTechnical

OT-2026-000061484

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000061484) never changes.

Identity and time

Publication numberOT-2026-000061484 · never reused
Internal UUID01a0ae8b-7b43-7d49-845a-5418f9a002fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061484
StatusPUBLIC

Content hashes

Canonical text0d1a12171a7417ee84f58098c1868500fd422e7f72834bafa1c112fe29a65f82
Markdown5c98d664cdb4fb60c4a18ccd5dcc4645b7e1d81984abddc48fa13f2bf2ac1337
PDF
Publication page765c091c00a1117b8a22554e23ec5f8d29adc22cc180009524785ec8e5e44d61
Manifestf3d212710e4adc7bfaab4193bb2bf679323981539f6f1b886e11cf197453d485

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
SignatureypBcvoJ/IJ/3eAShkEpYyefkyANS/8/RLZHnmZUPE+gJO2Gxvsyev9dVZcntaw19AnKfBV1M9bPuDm81NC+kBA==
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...

Independent retrieval

2026-09-17T10:41:22.437851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061484
observed 765c091c00a1117b8a22554e23ec5f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.418151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061484/manifest.json
observed f3d212710e4adc7bfaab4193bb2bf679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.402123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061484/publication.md
observed 5c98d664cdb4fb60c4a18ccd5dcc4645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.383240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061484/publication.txt
observed 0d1a12171a7417ee84f58098c1868500...
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.