OpenTechnical

OT-2026-000012415

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pulsed blow-off 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-2026-000012415) never changes.

Identity and time

Publication numberOT-2026-000012415 · never reused
Internal UUID01a0ae6d-39f6-7325-b0ac-8ef6b319c268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012415
StatusPUBLIC

Content hashes

Canonical textf32f335d71403cdfd4780c37b6b0ff476042e4a33737ac2b1d43db6cea39d3b4
Markdownd682041364f9b51c76e4988b28ab8a15978c610c59077c6ac1f03745b8dc6dc9
PDF
Publication pageb52aebb91655100b2b00ad5305cf5882613866a8b3919d5b0b3468d247d15f78
Manifest830bb9beae7f91536c960fcc6097e36c9b30f76e60eb04beefeb9b06b06f5355

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
Signature3K1VDJlE6vhrvuX+tqx8VRVdsDd2On/3ce4XH6ZIbgbu+klSi8L90aAZQFWKu5gnRIOXRcyk7+9L+l9VG+yvBw==
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

2026-09-17T12:11:54.614714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012415
observed b52aebb91655100b2b00ad5305cf5882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.596255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012415/manifest.json
observed 830bb9beae7f91536c960fcc6097e36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.579524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012415/publication.md
observed d682041364f9b51c76e4988b28ab8a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.562720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012415/publication.txt
observed f32f335d71403cdfd4780c37b6b0ff47...
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.