OpenTechnical

OT-2026-000056454

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000056454) never changes.

Identity and time

Publication numberOT-2026-000056454 · never reused
Internal UUID01a0ae87-4bd2-7c17-b399-aa68a51742a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056454
StatusPUBLIC

Content hashes

Canonical textc77eb69b9fb611fe56192ca115839a8880d08c8a45b556b2ea6f1c63bc07a6c9
Markdown84023f327fe59c7c02fd18c702fa62b3268a5471f1d4909957dbce5e8c61fffc
PDF
Publication paged78f30e8ed5a3179f9cdf10e610caaef79684a2e4379041285cc02d4d01db856
Manifest054336a51ebe73b1ac7bc0c75783b03e277b24114de36c4db21b59cbb95d07e2

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
Signature5B+NCHr4Vtm9pXPvu/VggXmA090m9xp1dBMPFbi5XofbtalQcIWp2++MN756CLrecWV4G0ZRktVYND9/yKQDBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:59.494519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056454
observed d78f30e8ed5a3179f9cdf10e610caaef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.477318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056454/manifest.json
observed 054336a51ebe73b1ac7bc0c75783b03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.459335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056454/publication.md
observed 84023f327fe59c7c02fd18c702fa62b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.441668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056454/publication.txt
observed c77eb69b9fb611fe56192ca115839a88...
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.