OpenTechnical

OT-2026-000069513

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069513) never changes.

Identity and time

Publication numberOT-2026-000069513 · never reused
Internal UUID01a0ae90-b52b-75ff-b51d-26997384e68a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069513
StatusPUBLIC

Content hashes

Canonical textb9a5e94e083e55849255d3c05dc734dd8b459b3246ac29cdaf1960b2152e9731
Markdown94bf80da3bd9f6942352f603343c253eeb45956818c72f29ab7cace304a5040d
PDF
Publication pageb439b362f920e6614664448ef15f175c00d2ac9b561bfa66c3d2586e08ff4473
Manifeste80bf89c5a4a73c8b753cfc3d1a1ddcdadf9c6e1e9b96a0cc89dbafc7c303360

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
SignatureHLzsMykX1pYoQtliImnFu+0PlMFuDqLxwYVyGu/WhqH5klAI++20vtk+2jIcpm//c9MSsWpzM3ev1q3q+giuCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-23T04:42:05.644411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513
observed b439b362f920e6614664448ef15f175c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T04:42:05.479345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513/manifest.json
observed e80bf89c5a4a73c8b753cfc3d1a1ddcd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T04:42:05.379979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513/publication.md
observed 94bf80da3bd9f6942352f603343c253e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T04:42:05.195290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513/publication.txt
observed b9a5e94e083e55849255d3c05dc734dd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T04:23:20.003844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513
observed b439b362f920e6614664448ef15f175c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:19.986925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513/manifest.json
observed e80bf89c5a4a73c8b753cfc3d1a1ddcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:19.968922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513/publication.md
observed 94bf80da3bd9f6942352f603343c253e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:19.943007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069513/publication.txt
observed b9a5e94e083e55849255d3c05dc734dd...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent