OpenTechnical

OT-2026-000042214

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000042214) never changes.

Identity and time

Publication numberOT-2026-000042214 · never reused
Internal UUID01a0ae7a-5d72-72ef-9e7a-762c3c044213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042214
StatusPUBLIC

Content hashes

Canonical texta4546af91b16dcbdbb182c48087a46cf4c31de175dc4b9b8e44bcb49f42678ed
Markdown0d68a8a38c41c634d26f78f79fbe952c9f83a6ca91254f8e1e4775c10786859d
PDF
Publication page3e3e176cb131203a6a074ea556548b2d1b315830f2a7d987a4da8d9247dfa79b
Manifestbfb980cd776ba6cae35a8fbf77f621f29a9668f3d279681db610a4a3005d0ec5

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
Signaturep59x40QLZ8nCFdq58L7HDYnJ3oZ0fKk2/nJVtbHdPODfGTy4wClFQRazYjKo+2Cs0idvSCcC2SrJkmKSxaCyAg==
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

2026-09-17T11:15:53.106187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042214
observed 3e3e176cb131203a6a074ea556548b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.087801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042214/manifest.json
observed bfb980cd776ba6cae35a8fbf77f621f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.067542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042214/publication.md
observed 0d68a8a38c41c634d26f78f79fbe952c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.048783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042214/publication.txt
observed a4546af91b16dcbdbb182c48087a46cf...
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.