OpenTechnical

OT-2026-000073017

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000073017) never changes.

Identity and time

Publication numberOT-2026-000073017 · never reused
Internal UUID01a0ae92-c815-7332-b697-3dcbe86ef081 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073017
StatusPUBLIC

Content hashes

Canonical texteac96673faf7f4bd1b41e9ec6f8416e6f34387c42284a049bbbee757354f0197
Markdownead5aa67974bcf4867eafc6a669b02f72f0dd160be8f878ece083b64add0bc7a
PDF
Publication page641d2af877c88a67e1854db192d2e256715ca747e338938dfd8b84f83dc03ffa
Manifest2895de46e88916e0f87510b00f9b406d12e17e57fe71eb52c1305142f5a7e298

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
Signature3+Qm6uoS6Uds/qnLypFaOK7RtNKUmiqELltdw7FCbJRqdhWlQ9ef6iGJ23qfDyKIVmKzWn9VMU9EkRWYP/iKBA==
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

2026-09-17T10:21:57.280970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073017
observed 641d2af877c88a67e1854db192d2e256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.265774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073017/manifest.json
observed 2895de46e88916e0f87510b00f9b406d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.249339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073017/publication.md
observed ead5aa67974bcf4867eafc6a669b02f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.231472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073017/publication.txt
observed eac96673faf7f4bd1b41e9ec6f8416e6...
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.