OpenTechnical

OT-2026-000054094

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000054094) never changes.

Identity and time

Publication numberOT-2026-000054094 · never reused
Internal UUID01a0ae85-b3a8-773f-8a7a-d55a4b038150 · 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-2026-000054094
StatusPUBLIC

Content hashes

Canonical textebe8ce8f38d40348a1792298e38925e9de08094ba943d72dda4dffaa2329625e
Markdownd449acf6b76641e60fd5cbfa756f669a771c6c5987f884d821cdcba1bdfdce9e
PDF
Publication pagea29978dbf9e9493ab4291503bb7209e1aa073a070e6eee4d68d2ab2369363770
Manifesteac5f05fcb59b419dd06637ab760a2bc01e01b5862e51a9774fdbaeb42aa8c7b

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
SignatureV9Qgyuym66YvQlhBEGuGPxzrFeaOTGRdl7L2NDGPqLu14CBpnZ96l36MiwovAPbhZ29Vn+qe6OltIBGyneRsCQ==
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

2026-09-17T10:54:28.925487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054094
observed a29978dbf9e9493ab4291503bb7209e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.909175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054094/manifest.json
observed eac5f05fcb59b419dd06637ab760a2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.891076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054094/publication.md
observed d449acf6b76641e60fd5cbfa756f669a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.871474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054094/publication.txt
observed ebe8ce8f38d40348a1792298e38925e9...
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.