OpenTechnical

OT-2026-000050749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000050749) never changes.

Identity and time

Publication numberOT-2026-000050749 · never reused
Internal UUID01a0ae82-c7b1-7b80-9e47-bd9fc2361c3e · 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-2026-000050749
StatusPUBLIC

Content hashes

Canonical texta4fcdd4498d54631de6ecba86207b097ece7cc223e9d1102d65cbc47d57883e1
Markdown25c40b39b21670e591b50364b0c73478a48c5e2136accce20813e4259d8c4b54
PDF
Publication page9bfe5b35881076ffd961760c51c3aa888b0c2a2dc5a1270d274568fcb2fadc78
Manifest737d31d2941412ac2893c13a7f140ace51a0fe0874d5e1caa5e75861ddf4037f

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
SignatureXmLG04haGZdu+IRBMJd2gXyQjpvA8UjQEdUlMyd3euBOE135t4zsx6GvCIhoCnzF1e0NFOp5PQiozx/zCGpqDA==
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

2026-09-17T11:00:07.795337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749
observed 9bfe5b35881076ffd961760c51c3aa88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.775539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749/manifest.json
observed 737d31d2941412ac2893c13a7f140ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.751657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749
observed 9bfe5b35881076ffd961760c51c3aa88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.751138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749/publication.md
observed 25c40b39b21670e591b50364b0c73478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.724950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749/publication.txt
observed a4fcdd4498d54631de6ecba86207b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.722973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749/manifest.json
observed 737d31d2941412ac2893c13a7f140ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.691034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749/publication.md
observed 25c40b39b21670e591b50364b0c73478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.669045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050749/publication.txt
observed a4fcdd4498d54631de6ecba86207b097...
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.