OpenTechnical

OT-2026-000095721

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000095721) never changes.

Identity and time

Publication numberOT-2026-000095721 · never reused
Internal UUID01a0ae9f-fac5-7074-8da4-e826a880e8ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095721
StatusPUBLIC

Content hashes

Canonical text24fbb30f6149636a3b61249a1c5c9c21c1d0b07e98e1e409338d41e81226a14e
Markdown21e3427395e889131923acc1d5cf39b3ae2a32c01d3bd15b74aa304036e857ea
PDF
Publication page876b0ae87aa9ebdda7df75efef7f1947a0f60a66458e6ef32b00fd376a2d4388
Manifest519021790b3f5c8835739e30c233cd0c7fa3c289ccde3f1174baf2c2d14b5f90

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
Signaturem4MW33lGl+nhARttCegxENK+m2aXK8/tX/SrvaOldGzWMDs3O6XsSROBzzhixUDmjIuAHD9pVH3uPMk3yaJsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:16.772084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095721
observed 876b0ae87aa9ebdda7df75efef7f1947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.752887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095721/manifest.json
observed 519021790b3f5c8835739e30c233cd0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.736024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095721/publication.md
observed 21e3427395e889131923acc1d5cf39b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.716939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095721/publication.txt
observed 24fbb30f6149636a3b61249a1c5c9c21...
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.