OpenTechnical

OT-2026-000100813

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100813) never changes.

Identity and time

Publication numberOT-2026-000100813 · never reused
Internal UUID01a0aea3-66f5-78b8-a976-d45ff5de60df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100813
StatusPUBLIC

Content hashes

Canonical text09d605aa846898e82b439df650bcaed9643e1f68b15705753c6ea42cb7b0f654
Markdown6a240885208763bd2eb419c18c23e991da3c3aaa4858185160df61586d16b23d
PDF
Publication page2098767c214838a5c08fb01129cee3a19c6ddbe9a6bf3b8e270680fc1dc038c1
Manifest0065e9967e11a4c45c03a66417bd5cb5530434caa33682d639ec92c97c1a170f

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
SignatureCArXyBUnTxhhJhRf+XtXwL7CXCvSCYnp3QeJC37PJ5VYnOxdTa8aTWQeTybvVxY5g9CZgEm/AsDdfxT6Pr8eDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:43.849820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100813
observed 2098767c214838a5c08fb01129cee3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.830657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100813/manifest.json
observed 0065e9967e11a4c45c03a66417bd5cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.811919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100813/publication.md
observed 6a240885208763bd2eb419c18c23e991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.791304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100813/publication.txt
observed 09d605aa846898e82b439df650bcaed9...
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.