OpenTechnical

OT-2026-000076664

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076664) never changes.

Identity and time

Publication numberOT-2026-000076664 · never reused
Internal UUID01a0ae94-b06f-7975-8d71-f985862e16ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076664
StatusPUBLIC

Content hashes

Canonical text533e00bdc95c579069c2adea7b976cadd1ccf201dbb2ee241804a1ae8727f837
Markdowne968e1e1809e683b9b8743d8f83f7948c50ba28ae5ba0587af99fbcde5abd7e7
PDF
Publication page4e681387f4374608881587a24953485f07a50652673079e366e4c25d6a87e694
Manifestbab1bcd99e2492456a3b6caf64797dab5b292ea11af7201e99f892980190c256

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
SignatureZRWgjnUyLTaqE79nGt6izgYWcts4O24tJFBo32ZVpb1wNy9XrlxgaC5MJ8gv62cZ28wG3HHDyJitqtW+A5nMCQ==
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

2026-09-17T10:09:24.605503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076664
observed 4e681387f4374608881587a24953485f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.584538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076664/manifest.json
observed bab1bcd99e2492456a3b6caf64797dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.565635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076664/publication.md
observed e968e1e1809e683b9b8743d8f83f7948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.546215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076664/publication.txt
observed 533e00bdc95c579069c2adea7b976cad...
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.