OpenTechnical

OT-2026-000101984

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000101984) never changes.

Identity and time

Publication numberOT-2026-000101984 · never reused
Internal UUID01a0aea4-50f1-7eb8-9522-e309dcb32f86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101984
StatusPUBLIC

Content hashes

Canonical textacf43aa80f97897761a9b569eeea6b145c8ab40498c255e230a21990d973b4b1
Markdownd010d140faae5e192d21517bbd00c8dabdd04020be8d91d0b0802444c856ba9d
PDF
Publication page896cc140ed5760479a8d956ff571503710e5a6dce4634a12c77b709594ef767f
Manifesta61be814134529c8224e0fa2793e81c464c013f46111c7abb39bf8c7974ced94

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
Signature1XVXBkkheWzvjFmHuvL2HyvGWil/kEsV63DE5BDVGv8KEVfeLKelTVRcUcZsEBqEh1gQPAEzyq3EjlwVf4XfDw==
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

2026-09-17T09:25:06.475250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101984
observed 896cc140ed5760479a8d956ff5715037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.455344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101984/manifest.json
observed a61be814134529c8224e0fa2793e81c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.437365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101984/publication.md
observed d010d140faae5e192d21517bbd00c8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.418496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101984/publication.txt
observed acf43aa80f97897761a9b569eeea6b14...
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.