OpenTechnical

OT-2026-000009646

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000009646) never changes.

Identity and time

Publication numberOT-2026-000009646 · never reused
Internal UUID01a0ae6b-7563-751e-89e6-c0b61f9034f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009646
StatusPUBLIC

Content hashes

Canonical text34f4d4269a6be3c1d1c1bde1ba966deedac3cebac866c728fbfbef048aedb46e
Markdownc564b17bdbf9727a8c696748676b354a347bdcc174ef896ee590d5694ca00133
PDF
Publication pageaa7fc73c873b60fa18e89b024997251836794111723e4c01dddb761ebd3d4789
Manifest8763b7138fc0dbdb7fb5e557bcd6c08255c5f58ed5f3a4f211a00a6d9564708c

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
Signature0/EJdcbHT41V1VC8Z1ww62CFfGwDed4x6mHjXn4XtmW8AvRaS5+smfzDsg8evexTnw+hcaxysdJwn2CdYJbsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:06.746002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009646
observed aa7fc73c873b60fa18e89b0249972518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.725502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009646/manifest.json
observed 8763b7138fc0dbdb7fb5e557bcd6c082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.703761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009646/publication.md
observed c564b17bdbf9727a8c696748676b354a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.681829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009646/publication.txt
observed 34f4d4269a6be3c1d1c1bde1ba966dee...
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.