OpenTechnical

OT-2026-000098531

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line 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-2026-000098531) never changes.

Identity and time

Publication numberOT-2026-000098531 · never reused
Internal UUID01a0aea1-e966-7b64-91e5-9e2be3c8ac91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098531
StatusPUBLIC

Content hashes

Canonical text99ed944f8e9419f6b38c2005010aac920e8d05946a4b9e8d61232bd694964571
Markdownb5e639aa0521270e89fdae2ae81f4306b64d9af9af58f9b105931110020a4523
PDF
Publication page065fc573011712f5a2e61a655171533702bf1a768da569f2c978e42b9bc141e2
Manifest27d8ec0b2eba64901cd753c301fac1e67956795255ceaafd1641c82f8cab3711

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
SignatureTlsEA+I7DqntVf16ojJChgWJcOGDuJeDIVGvl/+g+dY1Pr/TlEmKDPw2ZinBb9kL9GcfCu/qQZjnQuvdS6RUDg==
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

2026-09-17T09:32:24.553119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098531
observed 065fc573011712f5a2e61a6551715337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:24.535448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098531/manifest.json
observed 27d8ec0b2eba64901cd753c301fac1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:24.518275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098531/publication.md
observed b5e639aa0521270e89fdae2ae81f4306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:24.500314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098531/publication.txt
observed 99ed944f8e9419f6b38c2005010aac92...
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.