OpenTechnical

OT-2026-000050923

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050923) never changes.

Identity and time

Publication numberOT-2026-000050923 · never reused
Internal UUID01a0ae82-c7b3-7198-ad8b-9942557e6269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050923
StatusPUBLIC

Content hashes

Canonical textce949c6c8335d1b1cb6f7e1897d8bcf0db21b38e7ac7164170f737931168c07a
Markdownf6a6f1e61c2ed3b39a01e54a5ac3024d111c8effa00e8d0fdfbd1798f30ce49c
PDF
Publication page361b35cebf21dc5d75d9d435731c8242e4c8363f8b6a68dabd0154f690951a97
Manifest787888e341afc8dd5e88d922abd7d3b8188462c7558d3aad8c3f1a39387fe839

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
SignaturevsaICPKI7igmcGSQRzJqXlRHONXQtu0pUjTr2PBkP80dtAiowbENRA5n5St8ZpukF/kzPtYeFIdGActHC6B1Aw==
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

2026-09-17T11:00:40.962172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923
observed 361b35cebf21dc5d75d9d435731c8242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.946489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923
observed 361b35cebf21dc5d75d9d435731c8242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.942130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923/manifest.json
observed 787888e341afc8dd5e88d922abd7d3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.917028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923/manifest.json
observed 787888e341afc8dd5e88d922abd7d3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.914785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923/publication.md
observed f6a6f1e61c2ed3b39a01e54a5ac3024d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.892844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923/publication.md
observed f6a6f1e61c2ed3b39a01e54a5ac3024d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.889544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923/publication.txt
observed ce949c6c8335d1b1cb6f7e1897d8bcf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.875512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050923/publication.txt
observed ce949c6c8335d1b1cb6f7e1897d8bcf0...
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.