OpenTechnical

OT-2026-000103837

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000103837) never changes.

Identity and time

Publication numberOT-2026-000103837 · never reused
Internal UUID01a0aea4-e463-7ea4-8bb7-9b7962148fba · 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-2026-000103837
StatusPUBLIC

Content hashes

Canonical textb5bbb6de250ea445fc0bc55b6eeef7e18269ee8a6c7cde460f2cf952bc37dd7b
Markdown4ecb73e4696b1a454ba8605b04e85ea6406d87ed8d8a5e25777d18313d467c3d
PDF
Publication page5acb4fdeac4c67006f5137828d97208fa0bebb35026af531e1e66cae0e090ad9
Manifest5752dc0c72ea277b4f8be28e68aa120403f6154fdad28ebd46639ab4aa9e6b0c

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
SignatureVG1d3kGUjQC6bFx4UsvvF/PuytbnXnSzGJ+Qo7oKM9WaZKP4OE/Me5BOwCDYS6cGbrviY/+htLHkXXVRDNL2Cg==
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

2026-09-17T09:22:47.778439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103837
observed 5acb4fdeac4c67006f5137828d97208f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.761644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103837/manifest.json
observed 5752dc0c72ea277b4f8be28e68aa1204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.744855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103837/publication.md
observed 4ecb73e4696b1a454ba8605b04e85ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.728877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103837/publication.txt
observed b5bbb6de250ea445fc0bc55b6eeef7e1...
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.