OpenTechnical

OT-2026-000042046

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000042046) never changes.

Identity and time

Publication numberOT-2026-000042046 · never reused
Internal UUID01a0ae7a-5d70-71b9-839b-cd2ccba874c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042046
StatusPUBLIC

Content hashes

Canonical text02fd5766de6b086e529cde92374d748b51bdc73040a444bfaae9915b4b1695ed
Markdowna024dc70fd94d87b877f05ffca62d8aea1b659045221c4c2b38fb41d541cdfda
PDF
Publication page97b9bc93b41788e796fdfca56d08cc50b80e0b1219d04070d7bc5250f2d00e27
Manifest05555163c61c28a2e77a0b4fe797a48d9cedc3a00497904e461d492818457dfa

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
SignatureoEezWjq/K13uPO1okxYpKMfj/MTfXEkgbURMeUBxXxeEGdWXloAGCrpKWT8mqKAXGAS3KRIFiyQWv2qzx8doCw==
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

2026-09-17T11:15:33.610826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042046
observed 97b9bc93b41788e796fdfca56d08cc50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.592855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042046/manifest.json
observed 05555163c61c28a2e77a0b4fe797a48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.574308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042046/publication.md
observed a024dc70fd94d87b877f05ffca62d8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.555980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042046/publication.txt
observed 02fd5766de6b086e529cde92374d748b...
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.