OpenTechnical

OT-2026-000033026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000033026) never changes.

Identity and time

Publication numberOT-2026-000033026 · never reused
Internal UUID01a0ae75-4843-7357-9b05-f2dcc8d83557 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033026
StatusPUBLIC

Content hashes

Canonical text28dd0a07c7efd2dd96ba69319bb2acc2fc7b9892bb07b3268d2ec0171786f7ea
Markdown1822f8cf1ddd6de6e198a608c54bea8cb0d958251788ded784f285d95297ff4c
PDF
Publication page6b0998c30f73bb11dae756981a6093e21e61e8cc1d9f015658acd2c994b5ca9f
Manifest3df9c89ab535e73c2e4b394347abcae6f9993a201146950518bc46abb3b942ef

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
Signature/Z+fHXkwg8jDqej5zt36tEt3xgpUtfQMAuJKTROrpXwqqD90HfiYcdo1sokOe+4tJis83RoYXyudnlfpBZjOAQ==
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

2026-09-17T11:32:39.328528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033026
observed 6b0998c30f73bb11dae756981a6093e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.310367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033026/manifest.json
observed 3df9c89ab535e73c2e4b394347abcae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.289584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033026/publication.md
observed 1822f8cf1ddd6de6e198a608c54bea8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.266395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033026/publication.txt
observed 28dd0a07c7efd2dd96ba69319bb2acc2...
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.