OpenTechnical

OT-2026-000091204

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091204) never changes.

Identity and time

Publication numberOT-2026-000091204 · never reused
Internal UUID01a0ae9c-f16b-7dca-ae92-09e1a3072cf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091204
StatusPUBLIC

Content hashes

Canonical text6ef5d778cf0c4d1a5ef1a56d1781c7e656f81a664a139f99c79310e9a9a2aeda
Markdown1a385ff82e5fe83bee61a0043127b741e9f509a5677718ee561feff1d516bad1
PDF
Publication pageced9df5a005bdf411b885e6e518faf5b093b367d183d2cb0d4061354d9bc2e6b
Manifest7a7d39e9dac00dbbe6a667698c06e2d0c563164d6b8816453704039a5503b281

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
SignatureuEtb1kKhlbWndmSnkcHWMBvc/+6+6Qanv99fbHOvA1mzR1Sa9UG1tPgqPWUhhJGCvE64vcmUWNIyZIH4WfbTAg==
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

2026-09-17T09:43:22.260349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091204
observed ced9df5a005bdf411b885e6e518faf5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.243713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091204/manifest.json
observed 7a7d39e9dac00dbbe6a667698c06e2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.227425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091204/publication.md
observed 1a385ff82e5fe83bee61a0043127b741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.212773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091204/publication.txt
observed 6ef5d778cf0c4d1a5ef1a56d1781c7e6...
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.