OpenTechnical

OT-2026-000014139

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed 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-2026-000014139) never changes.

Identity and time

Publication numberOT-2026-000014139 · never reused
Internal UUID01a0ae6d-b278-7ec6-9436-5630706501cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014139
StatusPUBLIC

Content hashes

Canonical text1bfd4d08b7b99409ca4049472b4ef64ca4190eedb86c74f6d3a68ed330888a4a
Markdown28d33a570585f14f9856449660e42e8bab9e6046e76211d958692fac23de1f43
PDF
Publication page4e200ef0fbcc2f5b326d60e05d4ae71b6fcbc096f899845746073aa95d8e6b0c
Manifestdf9dbf87cd468dfb9ca66a9def5b793826f40a64099840d0c26669571af81536

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
SignatureAphfuQorkdU7vfbYJvMpXzH+LRtM2p3LNsU7ZTXy0GzhfNUpPWk5brQEpuPq9J/eU8a1ZzkRgBJ5WkAMssXLDw==
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

2026-09-17T12:07:12.978036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014139
observed 4e200ef0fbcc2f5b326d60e05d4ae71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.957411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014139/manifest.json
observed df9dbf87cd468dfb9ca66a9def5b7938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.937329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014139/publication.md
observed 28d33a570585f14f9856449660e42e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.917287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014139/publication.txt
observed 1bfd4d08b7b99409ca4049472b4ef64c...
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.