OpenTechnical

OT-2026-000103201

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two 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-2026-000103201) never changes.

Identity and time

Publication numberOT-2026-000103201 · never reused
Internal UUID01a0aea4-be3e-7165-9b08-49f033e8a879 · 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-2026-000103201
StatusPUBLIC

Content hashes

Canonical text47e200c596a36a05826aea5690d757ba8e707f3741587ec4759dd6f87c98b2ea
Markdown7193412ace97e02d2dc9522246d7adbdde454bf90275f7a07d63d8a5109c5afc
PDF
Publication pagea43a1d1261e9f7b15e2fd0426b30c110995d48360aa30e7c8d404f1ade042c55
Manifest596ef005a0aea6460a51245c451550500e83c63742e83e702404de4fb90fee82

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
SignatureRvlzj+FLRYOIoJgljuWj0gFKZBhQLRlJEWz8MTlR9SJUD71fHEESwsMe/I3J3o9gK6VExKLvrypNYjQiluxwAA==
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

2026-09-17T09:23:25.621430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103201
observed a43a1d1261e9f7b15e2fd0426b30c110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.604676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103201/manifest.json
observed 596ef005a0aea6460a51245c45155050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.585351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103201/publication.md
observed 7193412ace97e02d2dc9522246d7adbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.568106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103201/publication.txt
observed 47e200c596a36a05826aea5690d757ba...
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.