OpenTechnical

OT-2026-000027402

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027402) never changes.

Identity and time

Publication numberOT-2026-000027402 · never reused
Internal UUID01a0ae72-6997-71ea-b75f-41925e2503fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027402
StatusPUBLIC

Content hashes

Canonical text55100dd5e85984a4819671785209389fcd6bdd4332f535511b0905826543d975
Markdowneed653c0db1e2da9767b993221ee4c69ff2e6502f6bcfdcf2854599a1673f4e8
PDF
Publication pagea56dcd65e576b965bcdb96ddb6cf7e5a85bdbad3c6f23c6cf17419dfb8138a4d
Manifestcc0b6794b7729513987ae2048ec2c591279880a96ba03423bcbe15f8a33416e7

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
SignatureL+WOXOUTYdqdJiZGgs53Xz8MaTrKQZ/XLCmYEkJC6YS68JgyLg/CyBsczQebKShX2m3kJBYJq4+G4iSMKsGUDQ==
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

2026-09-17T11:42:49.612518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027402
observed a56dcd65e576b965bcdb96ddb6cf7e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.594018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027402/manifest.json
observed cc0b6794b7729513987ae2048ec2c591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.573789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027402/publication.md
observed eed653c0db1e2da9767b993221ee4c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.556070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027402/publication.txt
observed 55100dd5e85984a4819671785209389f...
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.