OpenTechnical

OT-2026-000050257

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000050257) never changes.

Identity and time

Publication numberOT-2026-000050257 · never reused
Internal UUID01a0ae82-5c46-7a45-a0e3-b7384732d67a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050257
StatusPUBLIC

Content hashes

Canonical text4c35e5ccbdfc5a0917438e999032ce3334335cdebbab6558a6ad6627d2d02cb3
Markdown546b9c34de9810221742ace4f6700b9c04c6f155bf2d9649b2c529618bbbfe74
PDF
Publication paged8cd79132495a8299e634cd70430b3d5215190aec8a2a234a98d26922381f0d9
Manifestb932a0ded774fd2feff264821b663d7af05db82dbced500d70d76f1f0041e121

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
Signaturesk7gawZTPHSMlIxEZKyze/iMHmr+JOrcMnKtbA28KwWI2EpgVi4CqfMrhsuFAhzyTQ4ekbUCXnLo1ZwGnv6hBg==
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

2026-09-17T11:01:15.428821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050257
observed d8cd79132495a8299e634cd70430b3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.411799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050257/manifest.json
observed b932a0ded774fd2feff264821b663d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.396888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050257/publication.md
observed 546b9c34de9810221742ace4f6700b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.380425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050257/publication.txt
observed 4c35e5ccbdfc5a0917438e999032ce33...
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.