OpenTechnical

OT-2026-000015375

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000015375) never changes.

Identity and time

Publication numberOT-2026-000015375 · never reused
Internal UUID01a0ae6d-ef49-796e-ad10-03060d10000d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015375
StatusPUBLIC

Content hashes

Canonical textd17463b8f4b60813d6661df59c8979a1f8f2e5814841c8746f1e40bb6de6404b
Markdown7fc75c61ef7c5b1b2b0fa17ba6a96fd99e3c464a3ec9ce819837215462059f7d
PDF
Publication page92cf591944a6040938548be2005dca43d729db3ebaaf24ffecc8b4feef2dd9c2
Manifest991513401741902c1984a65c7e70d75d3a2e625a5289015d253c198d3f435d4f

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
SignaturekkLAVZUOILtbq5KYu4BWbRQiuGV+UYVHBBwBGmKY/sshWtMxWBW2jmz/FCh5eZmjSFkW2TwsvgfMHXEyy1n+DA==
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

2026-09-17T12:06:05.423482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015375
observed 92cf591944a6040938548be2005dca43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.403474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015375/manifest.json
observed 991513401741902c1984a65c7e70d75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.385262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015375/publication.md
observed 7fc75c61ef7c5b1b2b0fa17ba6a96fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.366372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015375/publication.txt
observed d17463b8f4b60813d6661df59c8979a1...
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.