OpenTechnical

OT-2026-000078107

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000078107) never changes.

Identity and time

Publication numberOT-2026-000078107 · never reused
Internal UUID01a0ae95-6e8c-7ae7-a459-d45a21ab93eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078107
StatusPUBLIC

Content hashes

Canonical text938d2c5006cd14e53a4ed003034e9462670b2f05b2c459a8c58ac42daa897a75
Markdown67982b4aad2945403114c5111ab198f596e5fc551586c63d33e458d829660f33
PDF
Publication page4165de5c6f08d2f6f7c374316feadccef2073352056494144b3df7e24f69ff2f
Manifestb0a5f8d25ef4052d1ad595ef30575984a8aef9a25c9f2c4a849866bdb75db1d5

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
SignatureKpZeAUdBdJ7UiVDQecqfBkNfb/XHYepOAyf+ZoVsrCmnel+TQg/t+mAcEJmrMVAoBVTOKRgzBmgCsj+aoVSEAw==
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

2026-09-17T10:06:49.034448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078107
observed 4165de5c6f08d2f6f7c374316feadcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.015926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078107/manifest.json
observed b0a5f8d25ef4052d1ad595ef30575984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.996777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078107/publication.md
observed 67982b4aad2945403114c5111ab198f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.977901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078107/publication.txt
observed 938d2c5006cd14e53a4ed003034e9462...
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.