OpenTechnical

OT-2026-000030876

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000030876) never changes.

Identity and time

Publication numberOT-2026-000030876 · never reused
Internal UUID01a0ae74-3fb5-7bce-b316-77aa0441ea12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030876
StatusPUBLIC

Content hashes

Canonical text3e3e1aed9095406518bb9668181c3f679026800c389725fd1734087fab2952af
Markdown76114795c981622dd8df42108cf5e88851c9e0e2c91ac5db190d33b3a156fc83
PDF
Publication page46a0e1d78bf47aecc1c791da99ba12e2577bd4b4ff4e8be20afb61029662f0e5
Manifest8953d68319000ec6aa8ccd6ced882460cc10793cc062cf930de77a0752da834a

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
SignatureAcP7Qt//YVEi6as5jvQ8jaso512JvSq1nIBEkP/u64ALAUMS1o+1YPoLf1nfAWMxn349EeknrPLPHOpBRED7DA==
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

2026-09-17T11:36:34.286460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030876
observed 46a0e1d78bf47aecc1c791da99ba12e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.267174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030876/manifest.json
observed 8953d68319000ec6aa8ccd6ced882460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.244547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030876/publication.md
observed 76114795c981622dd8df42108cf5e888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.217683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030876/publication.txt
observed 3e3e1aed9095406518bb9668181c3f67...
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.