OpenTechnical

OT-2026-000049634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000049634) never changes.

Identity and time

Publication numberOT-2026-000049634 · never reused
Internal UUID01a0ae81-8fed-7c32-8ec6-a563f0d8d6b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049634
StatusPUBLIC

Content hashes

Canonical textc79ce8fffef205a8ffea774aab73a7eaf9a77f9a0ae15982debb620ea5ab661f
Markdownc81fad90198de12869dea05076ec9694000ec294923f8383fbecdf8be3958c07
PDF
Publication page4990c34e18fd5e4b73654d99f6fc753f38b419fac2f3a57361ec1b616a2495cd
Manifestb57856d84e6ff41ed7cec7706038e32c5409d3e382c70e10ac465f7992ded811

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
Signaturen6+GYX0DPVCcw9xckWulmJVuTjH3+HX93ybRY3JVI7FTLMEyVYKFuOG0vb64Pa64/+9kbTflgVqKGf77OdjLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:37.635617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049634
observed 4990c34e18fd5e4b73654d99f6fc753f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.617097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049634/manifest.json
observed b57856d84e6ff41ed7cec7706038e32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.598434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049634/publication.md
observed c81fad90198de12869dea05076ec9694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.580011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049634/publication.txt
observed c79ce8fffef205a8ffea774aab73a7ea...
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.