OpenTechnical

OT-2026-000073925

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold 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-2026-000073925) never changes.

Identity and time

Publication numberOT-2026-000073925 · never reused
Internal UUID01a0ae93-2b8e-7a5c-a659-2c70055b458b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073925
StatusPUBLIC

Content hashes

Canonical text7b7bf6347581b66a77d20b230a96ea36a3a27003d9a2d0ad5d053911ed38ccf0
Markdown82907c114b49beae71faced14e87c6177ad838d1424c7dc205ab85aaf852df03
PDF
Publication pageee2825755c200470d748e8cda4f6363dc29c975e3e53a0825560d5b2065227ea
Manifestd72caf39d2696193d57a36c99bddf7a29442bfcdbf9260c08dce289ef47069a2

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
Signature5CduSkcloT2p1DZZy+OQ6oq/csLh3nd8QRMIxrqOQ9emPcR0oh7TeBfouqDbo/a2kE7bis5F9Jk1xcig7ppKAg==
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

2026-09-17T10:20:12.305813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073925
observed ee2825755c200470d748e8cda4f6363d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.286662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073925/manifest.json
observed d72caf39d2696193d57a36c99bddf7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.264784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073925/publication.md
observed 82907c114b49beae71faced14e87c617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.240701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073925/publication.txt
observed 7b7bf6347581b66a77d20b230a96ea36...
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.