OpenTechnical

OT-2026-000072676

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000072676) never changes.

Identity and time

Publication numberOT-2026-000072676 · never reused
Internal UUID01a0ae92-89d9-7af0-bc08-d02fd4ed392c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072676
StatusPUBLIC

Content hashes

Canonical text61fdc9ca9f432226725295f88c66ec00975e9eb5a44090f188d7688b3bb91eba
Markdown259522d096f31ca1868843df82301213c8a907fdc13615b589b66f0a33ffa8b1
PDF
Publication pagedc6cc057f7883f404c225df7e7cf7e204adaccaad3c650eb2163a4f28baf75b9
Manifest819fe6c65aa23d22aed1e4246222181fb2556820dae236e0fdb3422feac41458

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
SignatureK/XRtQR06QSb6OZscPf7pqf3Rl2U9vQTW114kt7mKCWkRgSzlpgfBpininAeiZloeu4/Wq8WAzq6WmonrNVvAg==
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

2026-09-17T10:22:31.527489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072676
observed dc6cc057f7883f404c225df7e7cf7e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.509761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072676/manifest.json
observed 819fe6c65aa23d22aed1e4246222181f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.489370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072676/publication.md
observed 259522d096f31ca1868843df82301213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.470968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072676/publication.txt
observed 61fdc9ca9f432226725295f88c66ec00...
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.