OpenTechnical

OT-2026-000007908

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000007908) never changes.

Identity and time

Publication numberOT-2026-000007908 · never reused
Internal UUID01a0ae6a-908a-74c7-96ec-252c77a30dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007908
StatusPUBLIC

Content hashes

Canonical textd4ec8ac882e75439157e0edd579dd674b112f2b77e938b16431a2b03106acc50
Markdown30c21ecc46cbebed4c415c5fe0fda27025cfc94169f43d58d17da5dec8a181eb
PDF
Publication page25a0aad04b1c1092365234ccf096a78a1b727afe15af53dc1ae400176215a74c
Manifest57cdd2ee2e5d9431d53e1bde456c969927108cdbbf1834c3ea4563c4c721b560

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
SignatureAK6RmtD5rMgJBTygXgRBSw9rbJbBcVAry4zMRWt1svZ/B2vPsi66Zrj0R9U91wu0yK6IntK0nFXq5nAXgUBXAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.735570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908
observed 25a0aad04b1c1092365234ccf096a78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.716143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908/manifest.json
observed 57cdd2ee2e5d9431d53e1bde456c9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.696162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908/publication.md
observed 30c21ecc46cbebed4c415c5fe0fda270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.678345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908/publication.txt
observed d4ec8ac882e75439157e0edd579dd674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.397826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908
observed 25a0aad04b1c1092365234ccf096a78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.378835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908/manifest.json
observed 57cdd2ee2e5d9431d53e1bde456c9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.358388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908/publication.md
observed 30c21ecc46cbebed4c415c5fe0fda270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.339577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007908/publication.txt
observed d4ec8ac882e75439157e0edd579dd674...
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.