OpenTechnical

OT-2026-000100159

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100159) never changes.

Identity and time

Publication numberOT-2026-000100159 · never reused
Internal UUID01a0aea3-3052-7192-892c-06ac33d8087a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100159
StatusPUBLIC

Content hashes

Canonical textb39a5f667ac8582a98f1f4ced87c4cecc2c4199c19398a44fd6cde91f4d9c1cf
Markdowneab395b1a0f8c360e19660bccc9d6db6e626b91a1a591428d389e615a41edc97
PDF
Publication pagee2d9957b6e90572bdf67f644bc0a856cdad563cac137f7a4ac3be6c72ba9aa2d
Manifestdb3349e552a1599c22fcf3bf04480dfb733e064685affe8e7e0c5f027e34f89c

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
Signature20PQ5ai3FJ+bHiCI2gNTvI6bz2HvVXt80zaPwET1plB9JiTTACdqvOx16gg8m8ZIjNbB+v/KdYdHwmqUVVZ9Ag==
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

2026-09-17T09:27:52.017657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100159
observed e2d9957b6e90572bdf67f644bc0a856c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.999316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100159/manifest.json
observed db3349e552a1599c22fcf3bf04480dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.981760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100159/publication.md
observed eab395b1a0f8c360e19660bccc9d6db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.964549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100159/publication.txt
observed b39a5f667ac8582a98f1f4ced87c4cec...
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.