OpenTechnical

OT-2026-000039438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039438) never changes.

Identity and time

Publication numberOT-2026-000039438 · never reused
Internal UUID01a0ae78-9675-782b-8fcd-1a41f24e49df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039438
StatusPUBLIC

Content hashes

Canonical text9fb8e270c9566ba98fb2b624e7727d9725eadd63603e0ef565c91c1f17061205
Markdown28293ff6adc8e2f3e1aca3bee790fc01beea06e9f63624a33d9d3874ec177d5c
PDF
Publication page6b030858606720a8f83011b4ffb1f4a13b794f974a4f840a86f4a8b5d5567348
Manifest7a7e346d84e740ea0a6d131f3824e16dd4b2c1918538f2c61772c61851d70e78

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
SignatureNtZAcwz+9X395sCXXSQbCV+gm5LLMuIa45t8MfCmqb/vorBaAe+SRedTIG6MC/uhglr7uTnrMRs25DT5OBEGBw==
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

2026-09-17T11:21:03.386684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039438
observed 6b030858606720a8f83011b4ffb1f4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.369097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039438/manifest.json
observed 7a7e346d84e740ea0a6d131f3824e16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.352264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039438/publication.md
observed 28293ff6adc8e2f3e1aca3bee790fc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.335608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039438/publication.txt
observed 9fb8e270c9566ba98fb2b624e7727d97...
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.