OpenTechnical

OT-2026-000033179

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000033179) never changes.

Identity and time

Publication numberOT-2026-000033179 · never reused
Internal UUID01a0ae75-4844-741b-87f5-1c6cb7c9a259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033179
StatusPUBLIC

Content hashes

Canonical textfed669989ec9076473a3120acb637bcf512b3340b744e8e185f4b6ba4cab1699
Markdown93b21edcfd052f5a8fde5de567e64f8c4f2aa0439d57d30066741031626e0b1f
PDF
Publication pagefb19b30a0c98b1fa825418ebc47c5f877338fbad4da17dac373274fecaabb169
Manifestf15c92543d488b3e822f7321a7dac046c8f6df1131c8009be06aeba1b5b2ea7a

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
Signaturexn+dV3TCxheiUgGal/Gr3Nyh1tH78GWfQcJ9SeBvAwREd50W8tnKGP2no4fiyZDMrN8BYbQKEa2mSUwQACVICA==
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

2026-09-17T11:32:52.370831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033179
observed fb19b30a0c98b1fa825418ebc47c5f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.354213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033179/manifest.json
observed f15c92543d488b3e822f7321a7dac046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.335919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033179/publication.md
observed 93b21edcfd052f5a8fde5de567e64f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.316478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033179/publication.txt
observed fed669989ec9076473a3120acb637bcf...
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.