OpenTechnical

OT-2026-000100356

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000100356) never changes.

Identity and time

Publication numberOT-2026-000100356 · never reused
Internal UUID01a0aea3-3054-7c5e-a6ac-63f44eb835f2 · 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-2026-000100356
StatusPUBLIC

Content hashes

Canonical text463627a8cf9137989db3aa3938ead3674e60571b42325f182dfe0a0ef74be445
Markdowna089d970ab3dfba1175fe1f8176c874ec7698a5d51a7fad8824cc5bf9194653e
PDF
Publication page6541e06d4e589f061f439b078a20e4cce614f00be93fb94d8c5242e7ca7a4c41
Manifestea76a2dacdbc37a20b453ab9e3862dcbe6f57699f28c0e8c88aadc3b707bd35d

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
SignatureQhZsZBy2AU4sUJfInurK+ss7LcO5CtWmIjVhhUiSVtzU5WhuEWDI/RVRhJV4tWYxfFRBR7QKtApdjkkyqsbRBQ==
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

2026-09-17T09:30:18.488535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356
observed 6541e06d4e589f061f439b078a20e4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.469117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356/manifest.json
observed ea76a2dacdbc37a20b453ab9e3862dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.446982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356/publication.md
observed a089d970ab3dfba1175fe1f8176c874e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.425785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356/publication.txt
observed 463627a8cf9137989db3aa3938ead367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.766660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356
observed 6541e06d4e589f061f439b078a20e4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.747730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356/manifest.json
observed ea76a2dacdbc37a20b453ab9e3862dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.730520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356/publication.md
observed a089d970ab3dfba1175fe1f8176c874e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.711357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100356/publication.txt
observed 463627a8cf9137989db3aa3938ead367...
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.