OpenTechnical

OT-2026-000052594

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052594) never changes.

Identity and time

Publication numberOT-2026-000052594 · never reused
Internal UUID01a0ae84-573b-7817-8334-7c6cd2955f8c · 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-2026-000052594
StatusPUBLIC

Content hashes

Canonical text6c8f89138f94f19b54c95ae994528cc9889ebe5b254097bad9dc482a37720ce3
Markdownc7ed1fffeb1d5bdc68aedb0e9e9c0fddfe5ea897f8011134602c517a885bba35
PDF
Publication page1b292ef21fde3568ad95c99f8a203584204f99b80d80e3357d1559c4018d71c5
Manifest6731b6643bf01d3395d9df4e90aedcc716740ff7dc38ea542fa484feae977561

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
SignatureBnPY8Z3zh1QwfMfyDVfmOSbcmpEOOikwdY3T8D50G0LgF3m+ttcT0goyQr2dtQbYVySjGHThORzMlQ7sb0LfCg==
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

2026-09-17T10:57:15.622431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052594
observed 1b292ef21fde3568ad95c99f8a203584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.603321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052594/manifest.json
observed 6731b6643bf01d3395d9df4e90aedcc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.585810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052594/publication.md
observed c7ed1fffeb1d5bdc68aedb0e9e9c0fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.568842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052594/publication.txt
observed 6c8f89138f94f19b54c95ae994528cc9...
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.