OpenTechnical

OT-2026-000101178

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000101178) never changes.

Identity and time

Publication numberOT-2026-000101178 · never reused
Internal UUID01a0aea3-c378-76b8-a2f1-2baa2f031d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101178
StatusPUBLIC

Content hashes

Canonical textcecdd19d8c658b2258655fdd7e51937537ba9753d3eed79f3fcccd759c5c05e0
Markdownc0fbb3ce158ec32d95af90ac21c9f0074cd6513b3aab573d2e950c85fdd15cf6
PDF
Publication pagea68abbd6b243ea4a30fc5e1a79a6cf2fe2643568a51d4fa78fa00d4dfb58af1d
Manifestf8d7923e5935165da30ef96498ec1ce59704aa734290271026c4e9d519615e1d

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
Signaturen4oIx8i2/F6mEhjC6oT7yYEr9QrXmVmUfJ3oq54zwHU8fx6jbp7q0tebRNNBuAufQUeQ8bfT/PQaxSp+VcTUCA==
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

2026-09-17T09:26:49.386315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101178
observed a68abbd6b243ea4a30fc5e1a79a6cf2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.366317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101178/manifest.json
observed f8d7923e5935165da30ef96498ec1ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.346981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101178/publication.md
observed c0fbb3ce158ec32d95af90ac21c9f007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.329853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101178/publication.txt
observed cecdd19d8c658b2258655fdd7e519375...
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.