OpenTechnical

OT-2026-000032892

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000032892) never changes.

Identity and time

Publication numberOT-2026-000032892 · never reused
Internal UUID01a0ae75-4842-7020-b05c-9491b4b5457c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032892
StatusPUBLIC

Content hashes

Canonical text31cd48dcd2dd0d91d99add6defe5aa97010a4dcf01f60ffb2f096d5e4ea10505
Markdown403328899d7e73591b718fe90f7a99d33c2f670be365d94bedca43e57e6971ed
PDF
Publication page4771e7680cceb261870dd5a458a436c684f5772c0834409492da52cfab8db8fe
Manifest3c9a2067b430b5d247b217094c479f6face17342a2e3bbb8423f8d48fbbcf421

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
SignatureE+TZ8Jqp90ZhNkOSD5CRf/Hn159JyBUKgO8YlitNL+YeMxtSPApIchtiWlUFwoZnddFqX+z3Jw7yPh7jj3nkAA==
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

2026-09-17T11:32:28.695732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032892
observed 4771e7680cceb261870dd5a458a436c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.674084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032892/manifest.json
observed 3c9a2067b430b5d247b217094c479f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.656906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032892/publication.md
observed 403328899d7e73591b718fe90f7a99d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.639706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032892/publication.txt
observed 31cd48dcd2dd0d91d99add6defe5aa97...
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.