OpenTechnical

OT-2026-000102658

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102658) never changes.

Identity and time

Publication numberOT-2026-000102658 · never reused
Internal UUID01a0aea4-858b-77e1-857f-e7d7d8d1017e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102658
StatusPUBLIC

Content hashes

Canonical text878d2c1b80fe38a02bc67fb050ac77bb8c49841244c7768d684a671ea698f0c1
Markdowned52f8b24ed41ae0e27b5519a3dd435aee0943c0cc2d0b3fcd1d5677e7005119
PDF
Publication page7df452cb60c083b81991267a878fb4e17836933498ed5eb87abe3cd9ba647e64
Manifest94e6377fda912492e29ea655f1d059da1387b10bad737fd3bec2d52b05acb26c

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
SignaturenSf53E5lPGYjW4EW9ztW9kYRAh+N+OGaIlgYIY2uwhfDAq4pLn6w2fu1iSsL8/6WI20zUTwVuAL4FfsC2fmwBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:09.468790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102658
observed 7df452cb60c083b81991267a878fb4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:09.450051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102658/manifest.json
observed 94e6377fda912492e29ea655f1d059da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:09.432227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102658/publication.md
observed ed52f8b24ed41ae0e27b5519a3dd435a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:09.414425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102658/publication.txt
observed 878d2c1b80fe38a02bc67fb050ac77bb...
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.