OpenTechnical

OT-2026-000007310

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, pump fed, vented after 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-2026-000007310) never changes.

Identity and time

Publication numberOT-2026-000007310 · never reused
Internal UUID01a0a97a-32a8-7d2d-8949-47a28e8c7f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:13.003668Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007310
StatusPUBLIC

Content hashes

Canonical textee7eca76436b9d457869759e11de7b9c89eeb193f807586fded1d470f93e4c58
Markdownd66780d2850ad1c9a7cc556ca8242e86fb6b274c60a3439a4231305001c5a654
PDF
Publication page6d4854c4bab086bf98d3d63e81ad86d933d5ea66b5a2f8ed4b462682d1b10f26
Manifest255e6cfe393e24e084d64565d354a999e906df10cb1a16633c395f24efef0e9a

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
SignaturenhrXQpWMKLlOKg1tiF0e9XoeSK4qExhPwIJVtIuewpqgiWhijn6x09rBsC+Kpehv/PtJg0GNzs+6CLWVtAEoDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:05.195474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007310
observed 6d4854c4bab086bf98d3d63e81ad86d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.181390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007310/manifest.json
observed 255e6cfe393e24e084d64565d354a999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.163380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007310/publication.md
observed d66780d2850ad1c9a7cc556ca8242e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.148698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007310/publication.txt
observed ee7eca76436b9d457869759e11de7b9c...
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.