OpenTechnical

OT-2026-000026410

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000026410) never changes.

Identity and time

Publication numberOT-2026-000026410 · never reused
Internal UUID01a0ae71-f4a7-746a-82de-5376eabf322b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026410
StatusPUBLIC

Content hashes

Canonical text32d92e2477b83800c5a90da0dc7b31c9342371425891995c1fa9eb2433fb764c
Markdown34ad13970a89acc0dd2092be92e00e61a95d0b26a8cedcc8621c27be59848ef1
PDF
Publication pagef63aa2e109edf9c92da055d9f6eb16969db93c170fcf9e93c5d3c371336cd3dd
Manifest015f993945427700a8b6fe71e493afeef845cd8114cb8f803b1d07f435cb1ee2

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
SignatureaiQvckr2Xm3YzJzu2IzezvWuDqvaau/On0b0cvd8YKdnCC9w2j8I7DL7KNtcsHFXAuGnSdwVU7Q2aUhjHwRdCQ==
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

2026-09-17T08:41:28.078308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026410
observed f63aa2e109edf9c92da055d9f6eb1696...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:27.768096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026410/manifest.json
observed 015f993945427700a8b6fe71e493afee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:27.553211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026410/publication.md
observed 34ad13970a89acc0dd2092be92e00e61...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:27.241116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026410/publication.txt
observed 32d92e2477b83800c5a90da0dc7b31c9...
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.