OpenTechnical

OT-2026-000039516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000039516) never changes.

Identity and time

Publication numberOT-2026-000039516 · never reused
Internal UUID01a0ae78-d8d3-7281-9abc-3cef55ced7ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039516
StatusPUBLIC

Content hashes

Canonical text51880a97318e9cc005bfbf65355937ebfd042717f869c0b9ed6af97f63237507
Markdowna7960b646f82ca8aa2426fd3049ffc72aa61504e72f695fb821466f3346d11a5
PDF
Publication page068b8ab96445a2916891df02158f39456cf4d076c5a1e36d5156f706046eb801
Manifest7d99adc908d989fc442766a1673464a684c27b755e7144bc838e1095455dd8e1

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
Signature0S05pi+Mgv9HYWwycgHj/6M10qxUO4i7ojVDx443z94BeaQvh3KouPKXea8JA11tlF3f/417WVoGxVOhjXCNCA==
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

2026-09-17T11:19:39.325460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039516
observed 068b8ab96445a2916891df02158f3945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.307611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039516/manifest.json
observed 7d99adc908d989fc442766a1673464a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.285825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039516/publication.md
observed a7960b646f82ca8aa2426fd3049ffc72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.265972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039516/publication.txt
observed 51880a97318e9cc005bfbf65355937eb...
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.