OpenTechnical

OT-2026-000030383

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000030383) never changes.

Identity and time

Publication numberOT-2026-000030383 · never reused
Internal UUID01a0ae73-e502-7907-80b7-f2e3ae34bd00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030383
StatusPUBLIC

Content hashes

Canonical textdf64517973c3fb7643a9be93e32a5c4b28722e24f1b0c345064f91ad89949486
Markdown5223416fc2cf679b37872dd696bc3afb6259e3ef6c8fb022642d953949bff5b7
PDF
Publication page8b5e5959936212206eeeb17ece339135aad07b3deb4936c1d1a65e813f60f434
Manifestf9091595b5d3424e6c3fdd5a8cf9e7170980751cd5247af51c1d9e5aeea2ff72

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
Signature6hf68umw1H3elwKta4rzVbIekEPv8jib0dvKAw/cTLWoNZ9oDW18zyZSDMrOjkoPwfg5Slq0XS0VtCXltRa+Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:06.521553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030383
observed 8b5e5959936212206eeeb17ece339135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.505395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030383/manifest.json
observed f9091595b5d3424e6c3fdd5a8cf9e717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.487072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030383/publication.md
observed 5223416fc2cf679b37872dd696bc3afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.469087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030383/publication.txt
observed df64517973c3fb7643a9be93e32a5c4b...
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.