OpenTechnical

OT-2026-000103759

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103759) never changes.

Identity and time

Publication numberOT-2026-000103759 · never reused
Internal UUID01a0aea4-e463-7e3a-9b3a-bfec30b7556a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103759
StatusPUBLIC

Content hashes

Canonical text2f6809c2c731cbb08e337f734e6f9bd4d6a85d0a626bbad82d1327e6dfbb04a4
Markdown9e4214420decd6a735616b6ca73a032381d1ab5a1060741179911d81fd0db64b
PDF
Publication page7dbda7d54b50737d998060311f92d8be9a035f42f99f70727957f7cc4d54f90f
Manifest0d5f9b0abdb91f33ed5662e8523c172855d0fe5d66c720b0caac3356d8c9bc24

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
Signature/3QH/0lzEpRvn9eL/tS1tDgmOmWmyoKXPCPNipTuHzJWgphtaaviVzgDYXgVmRRBad+rm//zSTXRC+ovdTDQCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:42.865128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103759
observed 7dbda7d54b50737d998060311f92d8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.850663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103759/manifest.json
observed 0d5f9b0abdb91f33ed5662e8523c1728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.833353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103759/publication.md
observed 9e4214420decd6a735616b6ca73a0323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.817563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103759/publication.txt
observed 2f6809c2c731cbb08e337f734e6f9bd4...
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.