OpenTechnical

OT-2026-000091733

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091733) never changes.

Identity and time

Publication numberOT-2026-000091733 · never reused
Internal UUID01a0ae9d-43b9-7d53-894f-8b8b19777401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091733
StatusPUBLIC

Content hashes

Canonical text1c692ceacfdfcaad2e4d26f7257fb198b7abcfb0b92717b66ecff2d38158a76e
Markdownc6d4be4b161b318c26e3b2a4f54e2d24fd8ab4f83918302aeca337f160a7b1b5
PDF
Publication pagee8618c2e19963312cac9a6fe84a03c93eb5da3a173fd109171a1737deb3b5a7e
Manifest14675d100e7dcfee9876b3a247c6b0511b5818afacc113d73a32b8202cb432bc

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
Signaturesotcvm9WMGoKsbNFVf02PDXS56BfLVlOMkHr42tB0RulWeYJT088er1fnugMXmbcI18BMffmXxCe7NN88f1jCw==
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

2026-09-17T09:42:07.639052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091733
observed e8618c2e19963312cac9a6fe84a03c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.620984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091733/manifest.json
observed 14675d100e7dcfee9876b3a247c6b051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.600937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091733/publication.md
observed c6d4be4b161b318c26e3b2a4f54e2d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.582864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091733/publication.txt
observed 1c692ceacfdfcaad2e4d26f7257fb198...
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.