OpenTechnical

OT-2026-000015218

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000015218) never changes.

Identity and time

Publication numberOT-2026-000015218 · never reused
Internal UUID01a0ae6d-ef48-7092-9101-fb5d4f3e3f16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015218
StatusPUBLIC

Content hashes

Canonical text506d4916a992199a86926d8bde9922ceed9347e76b30775232cbb4daba1f9642
Markdown2a4d692cd08ad3b210969edaaddc4b5a2e269d0c7b16926c472353ae8c3fb63f
PDF
Publication page79d669aecc04d6f0bc6c54d063127cb159aa97a3efb30d0cd87dc0f45fddbcea
Manifest46a4ccb98db810a53d30c157f4989cae1431de27e794681a5e336c7fded61350

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
SignaturecgXz5arQYxmnM9eaGTPhpomLdYeQdntxAhVjVWdhGUgbQSMM1K4wVv+2fgc+qdSERDI6h8MuZnATldryoHEJAA==
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

2026-09-17T12:05:51.309643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015218
observed 79d669aecc04d6f0bc6c54d063127cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.290089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015218/manifest.json
observed 46a4ccb98db810a53d30c157f4989cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.270418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015218/publication.md
observed 2a4d692cd08ad3b210969edaaddc4b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.252439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015218/publication.txt
observed 506d4916a992199a86926d8bde9922ce...
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.