OpenTechnical

OT-2026-000073256

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073256) never changes.

Identity and time

Publication numberOT-2026-000073256 · never reused
Internal UUID01a0ae92-efb6-7270-8356-20502205d035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073256
StatusPUBLIC

Content hashes

Canonical text86751783e4ebddefec4e8738c8547674175ee671ec6f0b6901c33db74c3384ca
Markdown91368b10bc5ca07de21474b5dd7c66af5de99cd614dfe7d7132793224d1ff573
PDF
Publication page08ecf546e8ae1284865c23c4f6764f7c9b5fd79eeb5c2c09df0ea3d74c2d0f8f
Manifest8e4f3f22526a1928356723d13aec93e6a55e8c5110863242e6704ed4d34feef9

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
Signaturemx7QFSh3HXcTgWMoYCLNpck7j44X+akgcSVvDuQTcBYWanbY6p0C2ynmfkvgGh1Been9nxXclnoGw281gBOcDw==
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

2026-09-17T10:21:15.180017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073256
observed 08ecf546e8ae1284865c23c4f6764f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.160567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073256/manifest.json
observed 8e4f3f22526a1928356723d13aec93e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.139547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073256/publication.md
observed 91368b10bc5ca07de21474b5dd7c66af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.120677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073256/publication.txt
observed 86751783e4ebddefec4e8738c8547674...
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.