OpenTechnical

OT-2026-000103261

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000103261) never changes.

Identity and time

Publication numberOT-2026-000103261 · never reused
Internal UUID01a0aea4-be3f-797b-a547-ee55ac7bb98d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103261
StatusPUBLIC

Content hashes

Canonical textd2f7de77766fd6b74483d85e3fac13efcdc0e4ed407d187be3ec0b6e11781244
Markdownb2f8c86222edb883cca686d5e663e0dc038e74aebdccb5b62b1dd011c641c9d3
PDF
Publication pagefcc4cc670b6792f5453e52c72b88782a72a82396f30711e98f4f50d7e5aee53d
Manifestafe8ba3da426e4be53ba5d1c7b3abeb0a9326137bb4f8feec959601a2d167498

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/b5ZrfWex2MQYQA1mOPVQClwNyP/TJCp7cGGHchua5Fhi1+5N/TEDIDMUmFP7G6WjY/PY0aJgluhEJwNMPJOBw==
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

2026-09-17T09:23:29.904554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103261
observed fcc4cc670b6792f5453e52c72b88782a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.884594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103261/manifest.json
observed afe8ba3da426e4be53ba5d1c7b3abeb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.866814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103261/publication.md
observed b2f8c86222edb883cca686d5e663e0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.848651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103261/publication.txt
observed d2f7de77766fd6b74483d85e3fac13ef...
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.