OpenTechnical

OT-2026-000039087

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000039087) never changes.

Identity and time

Publication numberOT-2026-000039087 · never reused
Internal UUID01a0ae78-9672-7793-8629-e4ce8a4003f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039087
StatusPUBLIC

Content hashes

Canonical textf753295682a16dfeef900f7fb171688c8d9c295f42ed2893fea52875646e541f
Markdown32a63d5f7cf462f67bd52f93f60bddd94b86ebe903614783ac22787e5a5b7210
PDF
Publication page34ad72c890e3eae9b596ca721d0c4222c3f8e9f67ee386167ae065b6a1009cdc
Manifestdf29c46719bcb25f68a3d84aacb23645123f145e54efe14f810effaa574ae2eb

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
SignatureyZkPMBvDVmYjYVfEThyE1/ccSx17xyJtxk2cpHSjEPxDQ6nAJQ872VHrHDbvy0RtWslnrjlPLinj98CBwk5nCA==
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

2026-09-17T11:20:34.167828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039087
observed 34ad72c890e3eae9b596ca721d0c4222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.148730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039087/manifest.json
observed df29c46719bcb25f68a3d84aacb23645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.129873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039087/publication.md
observed 32a63d5f7cf462f67bd52f93f60bddd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.106665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039087/publication.txt
observed f753295682a16dfeef900f7fb171688c...
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.