OpenTechnical

OT-2026-000054317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000054317) never changes.

Identity and time

Publication numberOT-2026-000054317 · never reused
Internal UUID01a0ae85-b3a9-736a-bc41-90dd1baad299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054317
StatusPUBLIC

Content hashes

Canonical text29fdfd370627f0bf4336603c5119e315b3fc2d49fd849cfa49ee01f858140140
Markdown238389c603420193b6c91c03c0c8f82cd18899d9b7fdc6c95d5282e7ad2790e1
PDF
Publication pagead57d09449a18f3ebf420f4e0caacb81cfe07fb0a79cbca5f4c365ddf07e0d9b
Manifesta41b5cda27bafb04b423d51e8ca54c8ed6c298082806a2c8a339b395ac8569a1

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
SignatureYOrDn70qkiT2O8p1T+pgm6JdCpIEkf5pebn/9aN12OcgIRkdlJ+NntjbO1b8J6urI3zOSfTU7ePwTTx0ZZTfCQ==
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

2026-09-17T10:54:49.515260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054317
observed ad57d09449a18f3ebf420f4e0caacb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.496279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054317/manifest.json
observed a41b5cda27bafb04b423d51e8ca54c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.477751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054317/publication.md
observed 238389c603420193b6c91c03c0c8f82c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.460176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054317/publication.txt
observed 29fdfd370627f0bf4336603c5119e315...
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.