OpenTechnical

OT-2026-000048959

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000048959) never changes.

Identity and time

Publication numberOT-2026-000048959 · never reused
Internal UUID01a0ae81-134c-738b-be70-346109169b58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048959
StatusPUBLIC

Content hashes

Canonical textcfed5a4bd6301051481ceca7c00c85d20ba59a87a7af6ddaba832304204ec925
Markdownbca35d553fbb39aa9de2b7abe82d82947b7596161c2fd84ad944512b3e6a22fe
PDF
Publication page29c3506dc87ddf8f2c1f8960873ddda98bc626d38a024784f1d88aeb6a6e1961
Manifestd2f867fcc123512dc6b320c73c90e2428ec2ef017980fc3c6a951257336c6e5f

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
Signaturepi/8YCdT+y5ge2dsAG8L8fB44HWzyYkDcpmlZHJ3y+n+ou9y0j/cMBWM6BCAEyeVPZg8mMfxFA1pT8eJlLTeDg==
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

2026-09-17T11:03:09.227762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048959
observed 29c3506dc87ddf8f2c1f8960873ddda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.205027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048959/manifest.json
observed d2f867fcc123512dc6b320c73c90e242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.185524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048959/publication.md
observed bca35d553fbb39aa9de2b7abe82d8294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.163539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048959/publication.txt
observed cfed5a4bd6301051481ceca7c00c85d2...
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.