OpenTechnical

OT-2026-000027167

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000027167) never changes.

Identity and time

Publication numberOT-2026-000027167 · never reused
Internal UUID01a0ae72-3454-7f2b-8927-2adf82fe1195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027167
StatusPUBLIC

Content hashes

Canonical textf5aa345759bde265959b5c109b3547ebbb3239b7e6520679aa2e28d6b605248f
Markdowna4ccc44fea57842aa1c4f2eafd0f37639c299421c775aa6277edd2287099ef4b
PDF
Publication paged2a53427adcc346baecdc4913296935fdefffd8915ea5dc3009d127b988c0c79
Manifest0805a1b1668d37b8de788f2069cbcf41ac6f13625042947869e0321fe6e3f43a

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
SignatureDAJHpE5fVP9z6Au2T/+Bo1BbkfCG4ukd/NxqHteZcqrI4xAwx9FDF4hvZaPfQGdmea+oKcnsWsFozkgDFPaBBQ==
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

2026-09-17T11:43:56.982884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027167
observed d2a53427adcc346baecdc4913296935f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.965548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027167/manifest.json
observed 0805a1b1668d37b8de788f2069cbcf41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.947833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027167/publication.md
observed a4ccc44fea57842aa1c4f2eafd0f3763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.928235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027167/publication.txt
observed f5aa345759bde265959b5c109b3547eb...
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.