OpenTechnical

OT-2026-000102297

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000102297) never changes.

Identity and time

Publication numberOT-2026-000102297 · never reused
Internal UUID01a0aea4-50f3-7b91-bfc3-4ea647a48ee5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102297
StatusPUBLIC

Content hashes

Canonical text8c4ec3ba0b98ba27b4d9b3d7cd4c97d06a9a127f149ac51819077cf24d4557fb
Markdown39e6fc49bb72ed90d177c6f29c27026a0c8f1ca133cf5bbbe8341f9c74fb0aa4
PDF
Publication page444392a7574aed7a8937ec0751261a1590c89865a32a12ed206f8e487b52f19c
Manifestd15c41303a2c6e76473486d1d23a5caabfbc5b518a8185bde146fef8938ebb44

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
Signaturey6DzANl8kLe2kstBTd7wsI9nE4SwuVoekOrrmaXKF4OPRxj19nlEiPuhq09qd47BKqwfyxCkuOvXfV7KSim1BA==
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

2026-09-17T09:25:29.466044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102297
observed 444392a7574aed7a8937ec0751261a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.448764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102297/manifest.json
observed d15c41303a2c6e76473486d1d23a5caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.431447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102297/publication.md
observed 39e6fc49bb72ed90d177c6f29c27026a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.414331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102297/publication.txt
observed 8c4ec3ba0b98ba27b4d9b3d7cd4c97d0...
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.