OpenTechnical

OT-2026-000057690

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000057690) never changes.

Identity and time

Publication numberOT-2026-000057690 · never reused
Internal UUID01a0ae88-2695-7602-92f1-6ada85154da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057690
StatusPUBLIC

Content hashes

Canonical text535cfc4619f6c9b944707e83f975937fcd5845d1157d1c020393a03ed8859ec1
Markdowna701fad941041c0fac3e44e9a00f4d49de864bab9de3307c7aa63ba143f89afd
PDF
Publication pagece71de5425ce1c7a8a986f44af87a25f2661b6699ed71c8c3862592229c721cd
Manifest5cdd07da7b02a1a8c18e7645d57b5d985db0db2741359f65b6e1c44c3d753427

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
Signature3fw3SSJQ1dk9KzKEwe6MHM/0NWnakTteAg8B4y2DkI6axIEZ0JH6E3YmaGi+qBT9MERv9cD2Uf6yhbV/fR7QAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:21.133234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057690
observed ce71de5425ce1c7a8a986f44af87a25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.115353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057690/manifest.json
observed 5cdd07da7b02a1a8c18e7645d57b5d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.097336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057690/publication.md
observed a701fad941041c0fac3e44e9a00f4d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.078131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057690/publication.txt
observed 535cfc4619f6c9b944707e83f975937f...
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.