OpenTechnical

OT-2026-000011238

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000011238) never changes.

Identity and time

Publication numberOT-2026-000011238 · never reused
Internal UUID01a0ae6c-5410-760d-8f95-e7ec6bddc326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011238
StatusPUBLIC

Content hashes

Canonical text2ea67b6e566ce3214ef69db470cbc4aee1e69cd839cfdc8f90edfeac0cbdc663
Markdownfc3b8f7e28fb363b00da5d519fce3e095cb00368103885efb43a10f0e273ea55
PDF
Publication pagef6d53cc97902b4b2834bb3e2834960f71605595b071a38806645ae935767bbee
Manifest0e17cb2012861e7bd9c7840b956b1acee5e12ddccffa45da93739594e13f164a

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
Signature5VQ6GZwBHqtoNRsqITyKAoH6ZRYivAt+BZ3KVG2fklxP9u1x6LxJ+8SgRFX2jfYdsfeQOP3t0hAH4vOUIfMkBA==
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

2026-09-17T12:14:12.052227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011238
observed f6d53cc97902b4b2834bb3e2834960f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.032423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011238/manifest.json
observed 0e17cb2012861e7bd9c7840b956b1ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.012677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011238/publication.md
observed fc3b8f7e28fb363b00da5d519fce3e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.993559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011238/publication.txt
observed 2ea67b6e566ce3214ef69db470cbc4ae...
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.