OpenTechnical

OT-2026-000061370

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000061370) never changes.

Identity and time

Publication numberOT-2026-000061370 · never reused
Internal UUID01a0ae8b-1385-70f0-9ff4-c828029db949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061370
StatusPUBLIC

Content hashes

Canonical text764308a9d80f6df8b0dade4acb8b5c292ff8588e4d057bf6a40d883dcc8be5af
Markdown0bdcca3b3f0fd1e499db4eff6a3700ed55b5f3682f60c4a33e9b41d1cbd6d0d9
PDF
Publication page2c36520744238544d538cb95c630bdeae27fa808ee71810cc1f57b4ef384883c
Manifest00db4022443bd5d6df6844d2ccd6dc5ee729d145727e2d16cdfcdb295bdbe54b

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
SignatureaKTy/Oa2shpfiTzCRUAMzpCHFR9EQtOSWXfpzjwtt8HLjvg3i18KjIVVwvHb4RVgdiuEoixi3XtMmL+OmIKxCQ==
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...

Independent retrieval

2026-09-17T10:42:49.330040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061370
observed 2c36520744238544d538cb95c630bdea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.312942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061370/manifest.json
observed 00db4022443bd5d6df6844d2ccd6dc5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.295206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061370/publication.md
observed 0bdcca3b3f0fd1e499db4eff6a3700ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.277569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061370/publication.txt
observed 764308a9d80f6df8b0dade4acb8b5c29...
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.