OpenTechnical

OT-2026-000100318

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100318) never changes.

Identity and time

Publication numberOT-2026-000100318 · never reused
Internal UUID01a0aea3-3053-7259-b836-c7cd018c3e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100318
StatusPUBLIC

Content hashes

Canonical text4ecee569bc0d2cd106ee3728c6abc475e5b34cef99d6c0a44b16b408226d57c7
Markdown4755710ad08a71edc0b51dc61ff5d26971d47171a6c10fdfb1401205af9d6f5c
PDF
Publication pageadc2d7b1e050fda2ee4a5106e3b393f628cf213057b66ae35b7d7a8270996a67
Manifest24f5af57064dbb4c0512f2e124fd1bdb081db70390a300311dfcfbc40026c7a6

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
Signature8+49OTmKTOkJoVTRl+5Xk6PTrzkbILaAujOpu2LYlYhpkR9mPmiPRA4XHWSCj6H9T/znNvsV7qT4yG58Cp1JAw==
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

2026-09-17T09:30:15.374136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318
observed adc2d7b1e050fda2ee4a5106e3b393f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.358859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318/manifest.json
observed 24f5af57064dbb4c0512f2e124fd1bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.338955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318/publication.md
observed 4755710ad08a71edc0b51dc61ff5d269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.318030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318/publication.txt
observed 4ecee569bc0d2cd106ee3728c6abc475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.048527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318
observed adc2d7b1e050fda2ee4a5106e3b393f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.030542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318/manifest.json
observed 24f5af57064dbb4c0512f2e124fd1bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.012207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318/publication.md
observed 4755710ad08a71edc0b51dc61ff5d269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.994900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100318/publication.txt
observed 4ecee569bc0d2cd106ee3728c6abc475...
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.