OpenTechnical

OT-2026-000072624

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072624) never changes.

Identity and time

Publication numberOT-2026-000072624 · never reused
Internal UUID01a0ae92-89d9-76a0-a569-3de3f1b7c493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072624
StatusPUBLIC

Content hashes

Canonical textd62f02dc8190a9276f5bcdd8ce4ce3e29b4bebeb72fa36a23e05a5c12d1557a0
Markdown278131496d85184635d9c4aa7e459a0a18fa8e92d7d2f62c918dc25988d03bf9
PDF
Publication page9b0a7d1146fc30052c67252f79c9a41252fcf0a9ff4c19af6647d86228cb49be
Manifest24ce64aeec5955932c53f890d921cfa7b97222627404c7ce269d5e449a967c9a

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
SignatureL1no6PHWqlJdsUlxyUEz/yChKH/dlQ7YU/8EgSBG9UePa3vBqBSZcBxavfcyUhlaIE33GpZ6ANKVgJxdxUkUBw==
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

2026-09-17T10:22:28.858258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072624
observed 9b0a7d1146fc30052c67252f79c9a412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.841659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072624/manifest.json
observed 24ce64aeec5955932c53f890d921cfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.824156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072624/publication.md
observed 278131496d85184635d9c4aa7e459a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.805938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072624/publication.txt
observed d62f02dc8190a9276f5bcdd8ce4ce3e2...
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.