OpenTechnical

OT-2026-000038723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000038723) never changes.

Identity and time

Publication numberOT-2026-000038723 · never reused
Internal UUID01a0ae78-769e-790b-9233-2e5a48b169e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038723
StatusPUBLIC

Content hashes

Canonical text0538fb10579dfb95244245cdcd7c5f206b11cbc26353041ce8acc7680303c92f
Markdown030b51fb2ff22f2ec9cd87db3c8c786880b467ee362ff64d70c5aba475da6e73
PDF
Publication page58206ccca5cfc1e3da8299486640d4f833bcb74dcd3eefccd75592f01bc885ce
Manifest2936cab219a0f56df51d4e4ce3ad97f366de83dd8c897b79c9abf98932967651

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
SignatureG3f7iLqbqoecVBGIjN/x/VtyO/b+ScNVcCRwMHD515Gk9g9ZZ1RhEKqFnbCzp7orVS1qMxLymyaSa4RMWAMyCg==
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

2026-09-17T11:21:15.170462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038723
observed 58206ccca5cfc1e3da8299486640d4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.153202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038723/manifest.json
observed 2936cab219a0f56df51d4e4ce3ad97f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.134064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038723/publication.md
observed 030b51fb2ff22f2ec9cd87db3c8c7868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.113430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038723/publication.txt
observed 0538fb10579dfb95244245cdcd7c5f20...
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.