OpenTechnical

OT-2026-000057890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000057890) never changes.

Identity and time

Publication numberOT-2026-000057890 · never reused
Internal UUID01a0ae88-6ed8-73a7-8d67-36b16138a24d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057890
StatusPUBLIC

Content hashes

Canonical text333e2671aa0a6c6fd471b0bee7a636ef96827672f02c7a05b4a1d565b994ae00
Markdowne7e4a1bfcb9a785d3b36fff569adabdf05c9c7b153c7954eb8cecfdc226ee66d
PDF
Publication pageb1cccdec21365df65a3a4cb9b29a89d63ae2b26585979f8baa2a0b9038d42bcc
Manifest1c92cfa94dde83a6a2378ff4038a30822233ff637260670555866d6c7c2cd0a7

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
SignaturerVi0BuKh3p+yCnIQwD9pyjRlWIWG44+Q9jpABeSInI0jiO1GAWF8VG9xWnRbQlgLNMHVOSdVFSNIjaG3oJv8Dg==
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

2026-09-17T10:47:28.914418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057890
observed b1cccdec21365df65a3a4cb9b29a89d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.895566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057890/manifest.json
observed 1c92cfa94dde83a6a2378ff4038a3082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.876299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057890/publication.md
observed e7e4a1bfcb9a785d3b36fff569adabdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.853488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057890/publication.txt
observed 333e2671aa0a6c6fd471b0bee7a636ef...
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.