OpenTechnical

OT-2026-000103693

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000103693) never changes.

Identity and time

Publication numberOT-2026-000103693 · never reused
Internal UUID01a0aea4-e462-705d-aa3b-37d179a9f0a6 · 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-2026-000103693
StatusPUBLIC

Content hashes

Canonical text8e0170d6da8ef7c2f95cd8593ba75be7d3446e408d51ee83c2d5bcd244dfe316
Markdown3d7c171b7f7b8c5582a1b3d9e931ded3d1923dd57e1b802c620ed224c4ed59b7
PDF
Publication page1c5eac2cec5fdf06836067ef0f202782c56d72db9a436b44d7b264911d45fb65
Manifest8561d1b3da6b458aa3819803af8ac6d0a6f39530b16be8d7c22da016acfa77e9

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
Signaturern8k4BIw8WULAPRfYJunAoxSv2baYv6jhL8Ih0CMX4ge2v3+/CnSUtKTf2LjEoeotmpSmnjFsorR+diy0e71Bw==
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

2026-09-17T09:22:29.919212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103693
observed 1c5eac2cec5fdf06836067ef0f202782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.903136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103693/manifest.json
observed 8561d1b3da6b458aa3819803af8ac6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.885510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103693/publication.md
observed 3d7c171b7f7b8c5582a1b3d9e931ded3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.868569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103693/publication.txt
observed 8e0170d6da8ef7c2f95cd8593ba75be7...
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.