OpenTechnical

OT-2026-000007278

Publication integrity record

Porous face vacuum gripper, three zone face, per zone isolation, ejector fed, open cell

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-2026-000007278) never changes.

Identity and time

Publication numberOT-2026-000007278 · never reused
Internal UUID01a0a979-1155-7efb-9fc5-6e96ca4e58cf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:58.936045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007278
StatusPUBLIC

Content hashes

Canonical text782dd3a4208f8d1335acc9367419eca984623f7b1b0e9ded0f27505584f55bc5
Markdown02e5835d8b7d59dbb0f4f1c5f2e66e238bdb9202f75094e2558a741f6b93564a
PDF
Publication page1428c5261091bb2db1a3b1c24e2f960481c4ee0299862b82becb452fb2a2b2de
Manifest3e4520132fb00e14c552d9c60c3a4a8454d61a3490268caf4b33b232d60495b5

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
Signatureb/DpxFjQwmbfmvXnuqdOEHwPgEzlp5KhFSSwhXuCBHleeO12bFpzZBlSTZyOnvlEzpTsno6JxMp1/89MprlAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:08.636564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007278
observed 1428c5261091bb2db1a3b1c24e2f9604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.502769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007278/manifest.json
observed 3e4520132fb00e14c552d9c60c3a4a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.491568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007278/publication.md
observed 02e5835d8b7d59dbb0f4f1c5f2e66e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.478366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007278/publication.txt
observed 782dd3a4208f8d1335acc9367419eca9...
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.