OpenTechnical

OT-2026-000082903

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000082903) never changes.

Identity and time

Publication numberOT-2026-000082903 · never reused
Internal UUID01a0ae97-8cca-74d7-aec6-e1395d51c95b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082903
StatusPUBLIC

Content hashes

Canonical text1ded4eed1439ff44a63b0cf1b9e3a06861f10561f230f657ce1836d62b61a94c
Markdown72bf298b3b849e4bfbd9a0cf10c4cabbaa41a7cd31e62c22d038a4a1e84f3213
PDF
Publication page7de70d91b1497a3d927c8914fd86c86d6fc0c5c1ce4d56879edb027395db3b64
Manifest174ed31daf7cb569935f2358193f95938cb5cc68f46326f8121af21853709ca0

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
SignatureuplDBVD4zgBm0kjTWa7JXGrwILMSAhi4T458bOKlmWGyp8C5e2/tq+8RxCHhG1kgiL/huzeY9DuuPxGRwvhSBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:35.470176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082903
observed 7de70d91b1497a3d927c8914fd86c86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.452199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082903/manifest.json
observed 174ed31daf7cb569935f2358193f9593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.433885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082903/publication.md
observed 72bf298b3b849e4bfbd9a0cf10c4cabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.415894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082903/publication.txt
observed 1ded4eed1439ff44a63b0cf1b9e3a068...
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.