OpenTechnical

OT-2026-000077745

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077745) never changes.

Identity and time

Publication numberOT-2026-000077745 · never reused
Internal UUID01a0ae95-2ecf-7003-8d69-6d40c58f4062 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077745
StatusPUBLIC

Content hashes

Canonical textd989749384cbb07fed2d2ad899ecf0ff582fe9dc3b97b4bee8172090ef86fa8d
Markdown5305d17c55fb188b27dcbf0bd655a63d955e8918e559501f0237510c5ef60ad1
PDF
Publication page26ef568324bb97ba2e50a163a326aa0811eecb09f709480b29309a2ae9b24255
Manifest511b2e9c33104f9abd5743f70a052a75bf8cca76874d3c9cf8cf5c037cbb7acc

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
SignatureHvScSGkuijAe2CSR0nlc4CjgW4rGeTFX7GIzo9rcJkcgXlnGXeAQM2FWCevPmgIBdGt49j94dF434iGAkYvNCA==
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

2026-09-17T10:07:19.577474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077745
observed 26ef568324bb97ba2e50a163a326aa08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.557061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077745/manifest.json
observed 511b2e9c33104f9abd5743f70a052a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.536100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077745/publication.md
observed 5305d17c55fb188b27dcbf0bd655a63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.513412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077745/publication.txt
observed d989749384cbb07fed2d2ad899ecf0ff...
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.