OpenTechnical

OT-2026-000052783

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000052783) never changes.

Identity and time

Publication numberOT-2026-000052783 · never reused
Internal UUID01a0ae84-a42e-73fe-9d88-eddd3a6a0a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052783
StatusPUBLIC

Content hashes

Canonical textd08b0ebff62e6797146b1240bba6d9b4fa32769724c0d21f79eb21e9d467e716
Markdownf1f5b69bd0465857ee5b8557f7637e2abc0ae2d52b37eb5daaa7bfbe2f592493
PDF
Publication pagebb63a2da79a8d16956a22d40a53736184d04c493c5f70c1a8f707930a57dc0b8
Manifest4db69028590a815c70f4af4a186bc7e00861aff4446eccb996e8e7df927b1c85

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
SignaturehL2g1XsO/A2nfnxakxnNaUH50nFsXB67qVmQuolPmL08zLxQ8wmjifbw5Xw8SBoqfpQ7PlnMdotAailukWvlCg==
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

2026-09-17T10:55:47.692826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052783
observed bb63a2da79a8d16956a22d40a5373618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.674577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052783/manifest.json
observed 4db69028590a815c70f4af4a186bc7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.656623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052783/publication.md
observed f1f5b69bd0465857ee5b8557f7637e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.638833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052783/publication.txt
observed d08b0ebff62e6797146b1240bba6d9b4...
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.