OpenTechnical

OT-2026-000010221

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000010221) never changes.

Identity and time

Publication numberOT-2026-000010221 · never reused
Internal UUID01a0ae6b-cb7b-723a-ba3e-e602d9f9bc14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010221
StatusPUBLIC

Content hashes

Canonical text7a5fc24d66a54058478c90f7129ea84f71559d11982fd2aa8a0c5fb799deeae5
Markdownc8bcecd34baf410a8dd3398c247a79cc7637ca9ef78d7cad5cc6be740a4bde50
PDF
Publication page6c0d38aae98930a5e9c9bd34e5c9cfeab60e38cd5939b94d3ed2c45b2fbb008e
Manifest15ce32572984599db34b2ea896a9632f3b7991060c559800236033881fe5be75

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
SignaturewpWvDDebYHFvF7e8sCcIdi9F51s9IUOThNJwImavUFzVQPkbxQ5wIf+6m1Neg1jAMqkwHMuqLXEzkknK8C48AA==
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

2026-09-17T12:16:20.857584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010221
observed 6c0d38aae98930a5e9c9bd34e5c9cfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.839349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010221/manifest.json
observed 15ce32572984599db34b2ea896a9632f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.820835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010221/publication.md
observed c8bcecd34baf410a8dd3398c247a79cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.802869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010221/publication.txt
observed 7a5fc24d66a54058478c90f7129ea84f...
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.