OpenTechnical

OT-2026-000074761

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074761) never changes.

Identity and time

Publication numberOT-2026-000074761 · never reused
Internal UUID01a0ae93-ac2b-7e76-90c5-82ef00df6c37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074761
StatusPUBLIC

Content hashes

Canonical textf1a9f076c12f921a00f612836010ca45505d28540dc74a81a56a231508c85b07
Markdowne64e435dbf7dda01f1f8b927f04b0be66033ad7860f5188fcb5fa9c5ea3f565e
PDF
Publication page05a304556c433e8f6c0d149ff89b2df7029cd04b805042f741be0832e7fe994b
Manifest0b19565d306fd9a9fc7f92b36d34c50258b619ee7a3242d994a08b120022fa7a

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
Signature4dDm8TiDG1tSfMlhY8WOuXqrNpT4xmldvY9BSseeoNoUbJuiMwCpwOoYDTvoaGN3tgaX7oACR7dcq/baDnb3Bg==
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

2026-09-17T10:18:27.105391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074761
observed 05a304556c433e8f6c0d149ff89b2df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.085280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074761/manifest.json
observed 0b19565d306fd9a9fc7f92b36d34c502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.064150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074761/publication.md
observed e64e435dbf7dda01f1f8b927f04b0be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.044927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074761/publication.txt
observed f1a9f076c12f921a00f612836010ca45...
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.