OpenTechnical

OT-2026-000074414

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074414) never changes.

Identity and time

Publication numberOT-2026-000074414 · never reused
Internal UUID01a0ae93-717a-7816-96af-1015fe859c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074414
StatusPUBLIC

Content hashes

Canonical texta03a4015a2f0d873e299b9cb21b6ef8d65cd498479d49375e1eec346eda396b2
Markdownfb8daced8094071f76e8221d96b4e7a62af13744f59ffba6f5fe93ec09ace9a8
PDF
Publication page5a4ee5411d624e78cac7207cfb736dc41ebcac2fea3da0e642407980ecffac70
Manifest67509815d13bead9c1da4377b394b44186a35210be003a55e2b329017cea789f

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
SignaturetAYt99hJvaQmS0cIhfd0l2VHF9q4i9lJJJS74FQ7WBGKGghRy5Vm8bf1aFUqoTIZIUar8Emx2EazU3qAg//9Ag==
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

2026-09-17T10:19:21.485884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074414
observed 5a4ee5411d624e78cac7207cfb736dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.467304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074414/manifest.json
observed 67509815d13bead9c1da4377b394b441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.447273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074414/publication.md
observed fb8daced8094071f76e8221d96b4e7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.427777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074414/publication.txt
observed a03a4015a2f0d873e299b9cb21b6ef8d...
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.