OpenTechnical

OT-2026-000072391

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072391) never changes.

Identity and time

Publication numberOT-2026-000072391 · never reused
Internal UUID01a0ae92-47c3-7d9a-a3bb-c6f97492ed52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072391
StatusPUBLIC

Content hashes

Canonical text416e79e39d415e27a876fe5b6a050bc5449be9c1ad54a7a113ff276e901eca42
Markdownbaddfd6078e1d3ba8bb22e6d844c01ea8dcec1899bbd6cf4f3ddaf454a7243e4
PDF
Publication page9c2f032537bd461fa5116226ade03ba1998682e2b103597b6f12a951ddb6cf5c
Manifest356101f3d1117031ce4cfb4c38ec9f1bb1c9d809c0c803f90db298825e7d5ae8

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
Signatureiz+8G0DpDnJ/EfYhhsaXubV003QITv2O3IR12q86Q4YBZUvBXo1EzFIpIvOHLsCNxqo5f6HfwzgCUESUW0x2Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:37.823352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072391
observed 9c2f032537bd461fa5116226ade03ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.805450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072391/manifest.json
observed 356101f3d1117031ce4cfb4c38ec9f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.788398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072391/publication.md
observed baddfd6078e1d3ba8bb22e6d844c01ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.770434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072391/publication.txt
observed 416e79e39d415e27a876fe5b6a050bc5...
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.