OpenTechnical

OT-2026-000017264

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000017264) never changes.

Identity and time

Publication numberOT-2026-000017264 · never reused
Internal UUID01a0ae6e-76c8-77f6-96f6-fcfb9ce5236c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017264
StatusPUBLIC

Content hashes

Canonical textbc30c7086d067313b77e162152e6e925b5ae1310037e5defaa102ff6a244a734
Markdown264475f02648427b0049f8377807e7aa9e536899c68ee6c052531122a23b8b1c
PDF
Publication pageff1272d4deb2fea079063d73b3995fd275c9a84bef655a679cf2a2209d6ac78e
Manifest8251a6a58a542dd8657d840d8209c0721e609e2b6aa57c4b1af2298bc05c4c05

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
SignaturefwjWX5qRkojm23Ka5SXXJjha+b+1o5QQ0ZTFmq8uxwUb5VvbtLdhMxCRu9GK9zYSvI047MmdetDHU4f0O9flBA==
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

2026-09-17T12:02:21.346949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017264
observed ff1272d4deb2fea079063d73b3995fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.328668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017264/manifest.json
observed 8251a6a58a542dd8657d840d8209c072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.309212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017264/publication.md
observed 264475f02648427b0049f8377807e7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.290272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017264/publication.txt
observed bc30c7086d067313b77e162152e6e925...
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.