OpenTechnical

OT-2026-000023492

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000023492) never changes.

Identity and time

Publication numberOT-2026-000023492 · never reused
Internal UUID01a0ae70-7269-7aba-a020-52d3b9502def · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023492
StatusPUBLIC

Content hashes

Canonical text5b932c8b4e8292f94cfe0c1818a796a025fcab80fe43392de769e7716a6370e8
Markdownbf5989c6c170c8e7aab7a204f52a4258f87aa28340b15da6197ff6155e65ecca
PDF
Publication page938b36d7b84cf5ce739ebdc15f6a496b29473d894a72188586375fe4594439d6
Manifestdca8bc57b7644069aef3b457c2e99e33eed4b7493decef14a3dade88409e8f3b

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
SignatureC0LTeNznBSzdDqpA46abQjxCCZCEG08OIpyIRIVqNERxCa6Cur/T+ueOeFPznynGIa4Xrq3Rzh0YmpCBx6aaAg==
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

2026-09-17T11:51:43.344395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023492
observed 938b36d7b84cf5ce739ebdc15f6a496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.326900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023492/manifest.json
observed dca8bc57b7644069aef3b457c2e99e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.308450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023492/publication.md
observed bf5989c6c170c8e7aab7a204f52a4258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.290647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023492/publication.txt
observed 5b932c8b4e8292f94cfe0c1818a796a0...
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.