OpenTechnical

OT-2026-000033969

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000033969) never changes.

Identity and time

Publication numberOT-2026-000033969 · never reused
Internal UUID01a0ae75-df0b-7f9d-911a-78dbc28f4e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033969
StatusPUBLIC

Content hashes

Canonical textfc1893d03237d2a61149516aac3b01591092972ab70ba77a35440ebb86bbbcee
Markdowncdee2b0cdcddb49e45952fb06eb942c8ca624d525c5fd4387dc2b3728a03636e
PDF
Publication page432a73e20cca5fa73c4d95ab5b54e63b3be01b74447e5567de19ec437c299cf9
Manifest8d668c12f5c89fc6cc2ab8a65b6268513d497434d34715a8a2ba9e1443d977d9

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
SignaturegPHbpuaSqwpbr/0DuU1aEJ1oVuaFf6E7FhhTGkM+kZzHGtvMmLzku7RymuKiNjJA7+8ZgffgdxOiH+0YcyRUBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:05.990667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033969
observed 432a73e20cca5fa73c4d95ab5b54e63b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.971200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033969/manifest.json
observed 8d668c12f5c89fc6cc2ab8a65b626851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.954302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033969/publication.md
observed cdee2b0cdcddb49e45952fb06eb942c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.930070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033969/publication.txt
observed fc1893d03237d2a61149516aac3b0159...
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.