OpenTechnical

OT-2026-000076574

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000076574) never changes.

Identity and time

Publication numberOT-2026-000076574 · never reused
Internal UUID01a0ae94-b06e-78b7-99de-8d8a6c436794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076574
StatusPUBLIC

Content hashes

Canonical textb7882be27b1e2419267f646d9e510b9c55a9703950a327cd694c50563e88f65e
Markdownb22405c172b1ea830b0926e75a38260580562097e0bccd1f200dfca4f2b41a32
PDF
Publication page1160fd41de8916fbdfeeda9efacf06125cac3f9aca29365fa4c165dc3696645f
Manifestae835651f78d7842643e1176e727e6a1bff3c01b2c2db9a6e4ea8a2c24679b09

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
Signature1egcOEgcUQg0DGiAbAc5hjio5iepZ6ud9VXzL+Zlf1Tck/vZZcGDqfmokHhkoiFumIDQrkbjP6mSx8t0WXAMAQ==
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

2026-09-17T10:09:17.664963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076574
observed 1160fd41de8916fbdfeeda9efacf0612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.644289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076574/manifest.json
observed ae835651f78d7842643e1176e727e6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.619652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076574/publication.md
observed b22405c172b1ea830b0926e75a382605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.600665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076574/publication.txt
observed b7882be27b1e2419267f646d9e510b9c...
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.