OpenTechnical

OT-2026-000012967

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off before 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-2026-000012967) never changes.

Identity and time

Publication numberOT-2026-000012967 · never reused
Internal UUID01a0ae6d-5564-7a70-8b63-372416d43373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012967
StatusPUBLIC

Content hashes

Canonical text724efabb07e1410cfae1b3f518bcbed0b7cfd10cfe06122f42f8ceb89f2b878c
Markdown365e20aaab6e40e4292eac4d95042cf6df9a8b36938ccc7046caf48cbcf6a90d
PDF
Publication page7df7c440f52fad03d8b8970f7da0738c1f115954ec6c54d718370fdfd9e2308a
Manifest1d9c77cfb713b6f09b5df41055d4efd6a02c3a9bbb42d5bf3097f0fb987c5c96

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
Signaturecd8/FWEFGpTRthwvvNYLsU1nazOsxKSYADlFfyRpyXZ1Y47l7fp0krtmzTOjL/zE/3NKUVkwCVKDwOuedC07Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:44:04.263077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012967
observed 7df7c440f52fad03d8b8970f7da0738c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:03.984834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012967/manifest.json
observed 1d9c77cfb713b6f09b5df41055d4efd6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:03.779215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012967/publication.md
observed 365e20aaab6e40e4292eac4d95042cf6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:03.581298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012967/publication.txt
observed 724efabb07e1410cfae1b3f518bcbed0...
fetched by grabo-systems from 34.44.131.203, 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.