OpenTechnical

OT-2026-000013754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000013754) never changes.

Identity and time

Publication numberOT-2026-000013754 · never reused
Internal UUID01a0ae6d-8de9-7a52-9acf-9ead592ea59f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013754
StatusPUBLIC

Content hashes

Canonical textd2cac91432ac0b09deacacd896930ac309e4399f6097ff7ff42cc9ba5cd11c1d
Markdown442c60ebac6f8af4fff553cbe6b36f3e9d4caba12227133ac0205ff02c47a491
PDF
Publication page78e01635591fafa8babd0f60ece70ecb0b208fc5d4ed0df50949528b416d23b1
Manifest5c13a4934c54b79f65955c4c52f84f708999e12a82cc97f1f6c9b3d09d354bcb

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
SignaturePMzPcnVKF90F8xdO8bolAvJ8w0XcqdDKhqzUbOxXJ+FaPvMPIVjbUkwe1Y+WBp10HyTESPwoUcoONtnl8QSNBg==
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

2026-09-17T12:08:49.538233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013754
observed 78e01635591fafa8babd0f60ece70ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.515853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013754/manifest.json
observed 5c13a4934c54b79f65955c4c52f84f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.494641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013754/publication.md
observed 442c60ebac6f8af4fff553cbe6b36f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.472475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013754/publication.txt
observed d2cac91432ac0b09deacacd896930ac3...
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.