OpenTechnical

OT-2026-000027674

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000027674) never changes.

Identity and time

Publication numberOT-2026-000027674 · never reused
Internal UUID01a0ae72-699a-75d5-99e4-d207a62b019a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027674
StatusPUBLIC

Content hashes

Canonical textadb81dc1f59f85b4f49c30d12ed0faa3fea2c65d2767e1e0cebb13f6f210b097
Markdowna8e7c09c5a6ac4cf1df4b4a969b4acfe003a2856eb4c715e5d2055ee5557c48b
PDF
Publication pagede82c7f76e2e0162f1dc58d50eaf3b53ff0746d1fc539f2b8a45534a345c40f3
Manifest5e0ecaa44c2219d5229286a8070054e9d777762c9fee961a7921981a1adaa35d

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
SignatureTPN3sthWzZMcx6yhO/NRH87bXi3qkZIqKvkW3WuQ7EPGBlaYq6+vHKFhMcfvBCT0N1HQ5QQpUNgybhFpNhjKCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:12.653808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027674
observed de82c7f76e2e0162f1dc58d50eaf3b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.636497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027674/manifest.json
observed 5e0ecaa44c2219d5229286a8070054e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.613982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027674/publication.md
observed a8e7c09c5a6ac4cf1df4b4a969b4acfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.596119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027674/publication.txt
observed adb81dc1f59f85b4f49c30d12ed0faa3...
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.