OpenTechnical

OT-2026-000098778

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-2026-000098778) never changes.

Identity and time

Publication numberOT-2026-000098778 · never reused
Internal UUID01a0aea2-42af-7f59-bfc2-e756b2b21c47 · 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-2026-000098778
StatusPUBLIC

Content hashes

Canonical text1fe3a5ac6f3f005994fed3005fa3e20000097d6a13b634b3555347edf0c98344
Markdownae8c6e8ec15c9d56c57d9df137d9d16a93624cac89990e789a429a8f492aa524
PDF
Publication pagef6f740aa6c21bb73c0f3810e0ec35870c9187e8b86310513af4c8a4d4434028a
Manifest2cd3eed1762046a22d27b80e3c5680e47185d7e5a1b7087e4353e62acc83c2be

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
SignatureQHBPk6jrMG9vAZznw4KpiTp2Amt/u+81EmSOfqSxppjMQGgYEwWl4Z2A4FalZZCvhvw8u6e5hvT5bW8EgDT2Dw==
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

2026-09-17T09:31:06.108890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098778
observed f6f740aa6c21bb73c0f3810e0ec35870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.090420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098778/manifest.json
observed 2cd3eed1762046a22d27b80e3c5680e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.074272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098778/publication.md
observed ae8c6e8ec15c9d56c57d9df137d9d16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.055719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098778/publication.txt
observed 1fe3a5ac6f3f005994fed3005fa3e200...
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.