OpenTechnical

OT-2026-000055636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000055636) never changes.

Identity and time

Publication numberOT-2026-000055636 · never reused
Internal UUID01a0ae86-a103-7fec-858d-0bb01bc3927b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055636
StatusPUBLIC

Content hashes

Canonical textdcde8479c88385e25807f51463088d6638df3ab659022b2c62027ca647166339
Markdownc6d1ce43ad34fbe5ac0a61ef80622fa04b3afbed3b627b8e130e9f0c6001b5e3
PDF
Publication pagead55a45a111f489379bf077628b1b086a4719aa35379ecb1ebca655ad9114b47
Manifest8320e8621fb5ac25d4718d60fb1f620fa51d0e3e4b8e3482038de3f5266af55b

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
Signature2YOaAxc+i1M1fpLcVIS6SeOcAOuYs3erpxqHnexl2O1VcBjFzqny0ibMe/mshLqzduL1Wd3iIk/qiJiXe0YcAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:53.352893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055636
observed ad55a45a111f489379bf077628b1b086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.334293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055636/manifest.json
observed 8320e8621fb5ac25d4718d60fb1f620f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.314987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055636/publication.md
observed c6d1ce43ad34fbe5ac0a61ef80622fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.295751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055636/publication.txt
observed dcde8479c88385e25807f51463088d66...
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.