OpenTechnical

OT-2026-000088146

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000088146) never changes.

Identity and time

Publication numberOT-2026-000088146 · never reused
Internal UUID01a0ae9b-1aa8-7f06-8d74-74411a05692f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088146
StatusPUBLIC

Content hashes

Canonical text56ee618666ca1e9494931a2c9b1d230eea0a0015099e27ef1b9ee05709092b24
Markdown954ef0aa215784ab2b46035037930a61ddaee28666d8ea99e04d3dfe8e4601dc
PDF
Publication page2788f7b1da126116d3d4f7a494983850fa2bc061225a835e22736a6b76efec8d
Manifest18c556b11675a21416f6678c1298cfac36be62e4e3e386274916672377b10edf

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
SignatureTbWqMxVCIPd/UHdovLVeRU4mNy0vIgHAlJZi+3PFJu7XsVfuHhzvwgjy5tcIOaiBZ+Ik2c0GQ01a36W3jgXWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:10.960614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146
observed 2788f7b1da126116d3d4f7a494983850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.945669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146/manifest.json
observed 18c556b11675a21416f6678c1298cfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.928148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146/publication.md
observed 954ef0aa215784ab2b46035037930a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.912018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146/publication.txt
observed 56ee618666ca1e9494931a2c9b1d230e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.247074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146
observed 2788f7b1da126116d3d4f7a494983850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.230678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146/manifest.json
observed 18c556b11675a21416f6678c1298cfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.213288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146/publication.md
observed 954ef0aa215784ab2b46035037930a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.192639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088146/publication.txt
observed 56ee618666ca1e9494931a2c9b1d230e...
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.