OpenTechnical

OT-2026-000008406

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, vented before 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-2026-000008406) never changes.

Identity and time

Publication numberOT-2026-000008406 · never reused
Internal UUID01a0ae6a-e469-7011-aa36-fa358ed4b4d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008406
StatusPUBLIC

Content hashes

Canonical text766dc278e56bb20f53f1d9b66865c5c2e90bd559b19be2c108e14621828ad9d0
Markdownc1d33cbad30b61781ad1256931ad3c06163a4847582f5784f0bdc8c9b4131e1d
PDF
Publication page741ef84dc83a80d7f5a0726eebd07bf242ae344c8757754650f8a312da25aa7b
Manifest9e7b2836981035227bb095c13dc4e09a03fe5f94c226b40decd6d94bbd9bd284

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
Signaturev52JeeHxQ1n2FRMVglc8yiSQhxeaQ+M+2dHPxLl36e0xZR5+OJftr232kmSQzDnWW1KrtV2CB2tpv18q38iTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:15.052958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008406
observed 741ef84dc83a80d7f5a0726eebd07bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.034737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008406/manifest.json
observed 9e7b2836981035227bb095c13dc4e09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.016491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008406/publication.md
observed c1d33cbad30b61781ad1256931ad3c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.995868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008406/publication.txt
observed 766dc278e56bb20f53f1d9b66865c5c2...
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.