OpenTechnical

OT-2026-000052562

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052562) never changes.

Identity and time

Publication numberOT-2026-000052562 · never reused
Internal UUID01a0ae84-573b-72b4-9b4f-a441f471e8f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052562
StatusPUBLIC

Content hashes

Canonical text7b1e37b7948b72b7438ff966308511506165af29ba0c3a159caf3bd873517d80
Markdown14cb476487e13be87c65749f7d33bd37cdc8b110decf05aeeed7af53746d804e
PDF
Publication paged4f44cfeb2e14e8d034365389ad024ec7983928974430d2177b79a1253aba170
Manifestfbbf30f5b61ab4347ae120dd888ddbc4706d0e09f50be0f07375d4f7b0021e89

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
Signature844NkbpcXJK4ysoOxjeQmwcrsqivYxYh/jOpz0t43Y38M9WND2ozIWv5ffsi8R1VK2wMLYLvS4PguBYgDAREDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:13.147237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052562
observed d4f44cfeb2e14e8d034365389ad024ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.130512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052562/manifest.json
observed fbbf30f5b61ab4347ae120dd888ddbc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.115105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052562/publication.md
observed 14cb476487e13be87c65749f7d33bd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.096319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052562/publication.txt
observed 7b1e37b7948b72b7438ff96630851150...
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.