OpenTechnical

OT-2026-000008949

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000008949) never changes.

Identity and time

Publication numberOT-2026-000008949 · never reused
Internal UUID01a0ae6b-31b7-7be7-8ef4-68deb7876258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008949
StatusPUBLIC

Content hashes

Canonical text7a27244c664ad5a58b77d6af7d2943b453fed9d83be3c03da438e647aa563378
Markdown65c05a6cc1c1f8f11e94e1d3d6561420246e4d5baa3b537a50fa9db115fa3c7d
PDF
Publication pageff564dca75b55316d0a6905e1ce27f079a73b2811f3607e86b076c7729a5c040
Manifest13a5562bd27f7c1e2355753a82b8f8664cda38226d9b5f923dbfe1be91838afa

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
SignaturefeeiTeS0CnZbqnHAR7cU69McZz/UlWgVxI+2RlDoQY6a18WWJjjIfkbpO8DMsEBlxj96yb1e/vdtjMECw+WFDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.798898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008949
observed ff564dca75b55316d0a6905e1ce27f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.777869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008949/manifest.json
observed 13a5562bd27f7c1e2355753a82b8f866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.758339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008949/publication.md
observed 65c05a6cc1c1f8f11e94e1d3d6561420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.738503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008949/publication.txt
observed 7a27244c664ad5a58b77d6af7d2943b4...
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.