OpenTechnical

OT-2026-000054250

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000054250) never changes.

Identity and time

Publication numberOT-2026-000054250 · never reused
Internal UUID01a0ae85-b3a9-7d89-a57c-9a5aba023d4b · 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-2026-000054250
StatusPUBLIC

Content hashes

Canonical textab86cfdd45c33018f6442c79288f713e4d4b9a5339788890f6a37c3853d4754b
Markdown430010184d50c16efd80f3db17ce12079cd06340bb691d7f540448039628948f
PDF
Publication page38fc972cfe75e87b5c9c4c69c08b4c7db12a69188c3ac22497fe8e6f8b178442
Manifest3380be63712046bed563f316de9fe636148935e72416d1306cdef9440b5ba6c4

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
Signature224zN+b4Yj6/6ln1K8Eot23WDgW5q2jhCrxmewpNs7CT84tskrBQVSqqyd2URAY/8Vq+CDUCwxMEUnuSTtivCw==
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

2026-09-17T10:54:44.152648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054250
observed 38fc972cfe75e87b5c9c4c69c08b4c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.131142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054250/manifest.json
observed 3380be63712046bed563f316de9fe636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.106494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054250/publication.md
observed 430010184d50c16efd80f3db17ce1207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.086761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054250/publication.txt
observed ab86cfdd45c33018f6442c79288f713e...
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.