OpenTechnical

OT-2026-000090889

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090889) never changes.

Identity and time

Publication numberOT-2026-000090889 · never reused
Internal UUID01a0ae9c-c011-7337-bd04-703b15cd80da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090889
StatusPUBLIC

Content hashes

Canonical text208a81fab924fad8dd5526d2592f8333abc6b9ba7a4aa441e969faccd557b1b2
Markdowne6a7cddcbd14bdeebba8196f02b364b2b16ae5409a267a6aea83ad5b15302b1b
PDF
Publication pageb0937aa8a437aaab621530d2f069af7ec91f95c0e8e86a789cdefd81862f2c51
Manifest3f4fb9e3081fdf3c100cae94e83b083e1f39826e06c109ef89e4651b8a37a443

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
SignatureIRvak7GycBZjF3Ys8vipoJlcnOD6YCHQtG8MGRLcM23VN4ikG5CN4Ohlu9rU40VdzJPonaRJNKBjNG7O+yj4Aw==
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

2026-09-17T09:44:05.463645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090889
observed b0937aa8a437aaab621530d2f069af7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.445171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090889/manifest.json
observed 3f4fb9e3081fdf3c100cae94e83b083e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.427299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090889/publication.md
observed e6a7cddcbd14bdeebba8196f02b364b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.410297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090889/publication.txt
observed 208a81fab924fad8dd5526d2592f8333...
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.