OpenTechnical

OT-2026-000033365

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000033365) never changes.

Identity and time

Publication numberOT-2026-000033365 · never reused
Internal UUID01a0ae75-8980-7203-b81e-b502b8a691ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033365
StatusPUBLIC

Content hashes

Canonical texte73c7860c325e0da14b7e4cc3de8591bebe833b4d76d1b00a4ab4f5fbe2a329e
Markdownd4606ef0cfc4a272e0d87e488470faee1ae8e486ad32863edf177cbef27e5bab
PDF
Publication pageb9a69ac7e83ba96b63669c0eb4153af7ee3db46395aec390146d0a1ea73e9daa
Manifest4af76c1a8cbd21373a49014e2e156f8751c65b37f55323ab1d2fbea9aeb0163c

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
SignatureufojJSoX0PcZIPOTacHMsHI/A9JAw5QnHuoOhoXoqH9VZ1EYFReoAa3InvbsBHTp6T9dFL005nAXPDo5UKyKAg==
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

2026-09-17T11:32:07.907798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033365
observed b9a69ac7e83ba96b63669c0eb4153af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.888489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033365/manifest.json
observed 4af76c1a8cbd21373a49014e2e156f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.869745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033365/publication.md
observed d4606ef0cfc4a272e0d87e488470faee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.842231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033365/publication.txt
observed e73c7860c325e0da14b7e4cc3de8591b...
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.