OpenTechnical

OT-2026-000007835

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000007835) never changes.

Identity and time

Publication numberOT-2026-000007835 · never reused
Internal UUID01a0ae6a-908a-7e1f-8ef0-5d5a4edd9046 · 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-2026-000007835
StatusPUBLIC

Content hashes

Canonical text3978b6d3b9750b1bab835a31646ed1a7fe1e31c45237f6af86b4cca6b93f12e4
Markdown0a21454374262257b8a52582be68c97e6881ab855cec952ddf097b8070ebcdc8
PDF
Publication page474492d3507047466e4f49a66d7223a5363f0a0787d412c43c53fd22dfeb415e
Manifeste2405d6717f48b7e6f52d5ba46c22e4c300525bf20d948fa4cb1dd7a8f00b701

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
SignaturexZTY37hs9SKX9xHk2zNyJCRQ/Zheso1YbgM+Niw97GA/DfriazSYqOSeMfzys6DcaXfxJfTTsVnxMneNpvqEBg==
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

2026-09-17T12:20:17.188597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835
observed 474492d3507047466e4f49a66d7223a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.169198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835/manifest.json
observed e2405d6717f48b7e6f52d5ba46c22e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.146299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835/publication.md
observed 0a21454374262257b8a52582be68c97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.123551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835/publication.txt
observed 3978b6d3b9750b1bab835a31646ed1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.281470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835
observed 474492d3507047466e4f49a66d7223a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.263939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835/manifest.json
observed e2405d6717f48b7e6f52d5ba46c22e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.245079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835/publication.md
observed 0a21454374262257b8a52582be68c97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.225816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007835/publication.txt
observed 3978b6d3b9750b1bab835a31646ed1a7...
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.