OpenTechnical

OT-2026-000101995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101995) never changes.

Identity and time

Publication numberOT-2026-000101995 · never reused
Internal UUID01a0aea4-50f1-76aa-9ff0-986f311c86e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101995
StatusPUBLIC

Content hashes

Canonical text8834b47e1c3c6c600fa96af4388e5ac2d521f3906902d65ee6d59ce9580229c5
Markdown66aba3a2e177f0f60c4f78ccb735548bca8a1f72f1e457498f9d06015ab83bb1
PDF
Publication page02c54c7cd308f361518039372a593ceedf023c7a3b3d60e9ebffb7c847dd95ec
Manifest8b96b9aac359a4cfbdcaa88b4e533976be8e04aa040c2e5714f7c877392acea3

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
Signature4KaiwH9LuKP1nNkukxn0KE4Pr8QWgeSpunW5CwUyZHk4wMZCcteU7PAz0tRuC0no+gCayEBPvAAXDPmwPPgYCA==
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

2026-09-17T09:25:07.209283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101995
observed 02c54c7cd308f361518039372a593cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.190949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101995/manifest.json
observed 8b96b9aac359a4cfbdcaa88b4e533976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.170249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101995/publication.md
observed 66aba3a2e177f0f60c4f78ccb735548b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.151304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101995/publication.txt
observed 8834b47e1c3c6c600fa96af4388e5ac2...
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.