OpenTechnical

OT-2026-000098775

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098775) never changes.

Identity and time

Publication numberOT-2026-000098775 · never reused
Internal UUID01a0aea2-42af-7bc8-997f-fc061e19eee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098775
StatusPUBLIC

Content hashes

Canonical textc3802bd7d5177d6f1aeb7aaf7039e9e909e7d7fa2fad832dfa12afdd6ca03682
Markdown460f0fa3a379de8f9982755cc4f7959739cae0045ebddbe64563f6c590a4a31b
PDF
Publication page2ac450c127d8a6af7ce32caba73245c2b9b5254933b62732e25eda26131dac0d
Manifestda5a6146a2f4d649264178201204155f698c364fdb574fe78614059d269a64ee

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
SignatureoKSTe1ZoKgL2bSbRiu+mlO89Lq7OmQsozuaaFGU7crX6RS59FycaeSIrlJVbUJVl4tSfLkTUzsQNe+RzzBVnBw==
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

2026-09-17T09:31:05.883853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098775
observed 2ac450c127d8a6af7ce32caba73245c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.866813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098775/manifest.json
observed da5a6146a2f4d649264178201204155f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.847942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098775/publication.md
observed 460f0fa3a379de8f9982755cc4f79597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.827707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098775/publication.txt
observed c3802bd7d5177d6f1aeb7aaf7039e9e9...
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.