OpenTechnical

OT-2026-000014475

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000014475) never changes.

Identity and time

Publication numberOT-2026-000014475 · never reused
Internal UUID01a0ae6d-b27b-71cc-9b54-e04bfcdfcf8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014475
StatusPUBLIC

Content hashes

Canonical text699082dc94ef6e8d7fc30b531c13212c12b6aecedb1def9e276770b4df08c241
Markdowndf86c0c0b244046c277f3d8add31353c2804918952a10799877c0219e9edbb7e
PDF
Publication page7d50e8c6baf174fca755009669490f51844f321eea1e39be9b9dcd6c6a7e6673
Manifest0519b70172a728a29556ed37305370003a6509ac0500097ef8a4d46d203643dc

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
Signature2gvUowo2cdo0BWyXXHwUmjMtVZsOj+E58xEzhK+4vWAbCaRjqNq1QGR64y1hrTtKMsuPDNwBUyx4+BZYq37NDw==
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

2026-09-17T12:10:17.292914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475
observed 7d50e8c6baf174fca755009669490f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.273467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475/manifest.json
observed 0519b70172a728a29556ed3730537000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.251781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475/publication.md
observed df86c0c0b244046c277f3d8add31353c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.231268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475/publication.txt
observed 699082dc94ef6e8d7fc30b531c13212c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.437477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475
observed 7d50e8c6baf174fca755009669490f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.419634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475/manifest.json
observed 0519b70172a728a29556ed3730537000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.401587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475/publication.md
observed df86c0c0b244046c277f3d8add31353c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.385046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014475/publication.txt
observed 699082dc94ef6e8d7fc30b531c13212c...
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.