OpenTechnical

OT-2026-000103121

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000103121) never changes.

Identity and time

Publication numberOT-2026-000103121 · never reused
Internal UUID01a0aea4-be3e-7381-a907-932d8ef58cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103121
StatusPUBLIC

Content hashes

Canonical text10df114b260fc400560732d45b442b0709e04ac4e9c27e89290d5471fb33499e
Markdownd9dc9cfd1e069d2494cd1602145861a7453a64b0f49d737958abc2ec68bcea65
PDF
Publication pagee2f20dadd0f8cf02396a50ad79d5d5b2e57bb686e1646cc84668398e2aae0582
Manifestc4f16a053ae4c09d8e1f30c089426dbe477caa5df78410a82322eb08127eb9bb

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
SignatureT90wF/YFl7kQtZbhq/DTblZGTxTYaIfLDrh2A2ug2FZy/Y5UtvWRJGWld5iCKY2KWa9PyErG35gZ7TgPSEN6Dw==
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

2026-09-17T09:23:15.245539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103121
observed e2f20dadd0f8cf02396a50ad79d5d5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.228038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103121/manifest.json
observed c4f16a053ae4c09d8e1f30c089426dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.211851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103121/publication.md
observed d9dc9cfd1e069d2494cd1602145861a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.194219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103121/publication.txt
observed 10df114b260fc400560732d45b442b07...
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.