OpenTechnical

OT-2026-000055201

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000055201) never changes.

Identity and time

Publication numberOT-2026-000055201 · never reused
Internal UUID01a0ae86-a0fe-798d-9b35-4e4a47d6184c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055201
StatusPUBLIC

Content hashes

Canonical text5f4ced9ab000296a475e2117ac4135771b2b7a20e0e5f9843a77cabd260ec4da
Markdownc14bb93da7036c269502417051ee6f2cbeb55be648a06d4f6d1499f8e2257b59
PDF
Publication page05985502c2d9e354f223767759c67b0d9f7e47135a6eb5e601f49427fff8e581
Manifest2d6462cce55818e53c761bc7dba046b9c78ebc300798505777c75c874e3ff81e

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
Signature6hyO24WCenOEpK+/dLhpiOTJz2H2dCw+kqK7pkjNg/abev7YTXMfOBsbjg/emaSmjjnZBBJ2yHpLQBs9gcLMCg==
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

2026-09-17T10:51:46.597747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055201
observed 05985502c2d9e354f223767759c67b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.580085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055201/manifest.json
observed 2d6462cce55818e53c761bc7dba046b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.563957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055201/publication.md
observed c14bb93da7036c269502417051ee6f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.546502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055201/publication.txt
observed 5f4ced9ab000296a475e2117ac413577...
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.