OpenTechnical

OT-2026-000026837

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000026837) never changes.

Identity and time

Publication numberOT-2026-000026837 · never reused
Internal UUID01a0ae72-3452-755a-ae85-9bf2ae825396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026837
StatusPUBLIC

Content hashes

Canonical text23e094fdf2e03ecde5dd8baf8fe3b04be680f024b219351a617ded0bbae53454
Markdown22ca6e992637ab6576ab766e712243db8d8b10d54b4b77bbfe4681a589af0fe4
PDF
Publication pagecc7c8c1565662d27d765b69de09e39edb04a2a8fd7159054c09ff25ce0565f42
Manifest8f71c364ed8af8a55dd99cd5f494e6b562c08501f97dedf25564de7ab8167cd9

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
Signatures+9scok/VwngGJTKeoTcrUV933A+iDnCHv1i818V9lz41NDwctS6i1T7GjDZJTHqlnM/dYPLoTNihtoP33CmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:25.389722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026837
observed cc7c8c1565662d27d765b69de09e39ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.372726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026837/manifest.json
observed 8f71c364ed8af8a55dd99cd5f494e6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.352943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026837/publication.md
observed 22ca6e992637ab6576ab766e712243db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.337410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026837/publication.txt
observed 23e094fdf2e03ecde5dd8baf8fe3b04b...
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.