OpenTechnical

OT-2026-000072277

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072277) never changes.

Identity and time

Publication numberOT-2026-000072277 · never reused
Internal UUID01a0ae92-47c3-7a3e-b8d6-2e93be7e07b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072277
StatusPUBLIC

Content hashes

Canonical textcded0c39c80632131b01f24023b07c1b3e06d743c20a03e348d5bfe2234acb59
Markdown97022934e1328ea7b057a9ee7839c42055ddb9d4c3c14e8af1b8feebac4d4bc0
PDF
Publication page436039d30eb24528b2e353bb438ff6e0b5339ef416ea29ad1e54773d3a664561
Manifestc6365ab29e0356e7e66880f338fe6f359e15e55576eefc66dda56f50aaa62b06

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
SignatureGehU8swL3PHFWeAS7tGx73lZEgjPINM835sUdlxobHbAxrn6NQXe5SB9nPnhYTeK/FKeeBuDqvJanXwkAx+QCg==
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

2026-09-17T10:23:23.469936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072277
observed 436039d30eb24528b2e353bb438ff6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.442720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072277/manifest.json
observed c6365ab29e0356e7e66880f338fe6f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.423927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072277/publication.md
observed 97022934e1328ea7b057a9ee7839c420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.400261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072277/publication.txt
observed cded0c39c80632131b01f24023b07c1b...
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.