OpenTechnical

OT-2026-000064656

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064656) never changes.

Identity and time

Publication numberOT-2026-000064656 · never reused
Internal UUID01a0ae8d-deb8-75f7-b3ce-4fbb2aa346d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064656
StatusPUBLIC

Content hashes

Canonical text3cea2b0f41633c5e62f3f1af8a6c3e8f62d1bd703ca5a43bd93143980767bdc6
Markdown28a9c2a4f18f5832f6d84f5d3a4c1bba75f2539692ffed668dfc0bdb30075926
PDF
Publication page490d5aea3be6b4dbd613feb7e502cecb5fbad8a4edc745be17ecb9179828c562
Manifestdb161e760a5d2645b11cff200e212ded071df4b1aa1fe5f0bd76207fb6a24567

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
SignaturegzQpPRomKRFAeNwwJFvoCfr3hH7M7nPfGVit+7doGg8eS3RMikoM3FPuRB9+/nMHvCY4OKWeXmO/cjQ/tyF6AQ==
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

2026-09-17T10:35:26.787797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064656
observed 490d5aea3be6b4dbd613feb7e502cecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.768928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064656/manifest.json
observed db161e760a5d2645b11cff200e212ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.745173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064656/publication.md
observed 28a9c2a4f18f5832f6d84f5d3a4c1bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.716040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064656/publication.txt
observed 3cea2b0f41633c5e62f3f1af8a6c3e8f...
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.