OpenTechnical

OT-2026-000079525

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000079525) never changes.

Identity and time

Publication numberOT-2026-000079525 · never reused
Internal UUID01a0ae96-0b91-77af-a306-beb96e07b409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079525
StatusPUBLIC

Content hashes

Canonical text817cce3a5d09d2535ede6d1e13fb1391871a1136595261e4902e253ca580b217
Markdown720e16b9ccca10fb102ed496e1697e52add697d54889e2087fa09d7d71988ffc
PDF
Publication pageb64fa1fad34de20d101c9e1a48744ae6146e1f3275a0d3fe365c284f27be90c4
Manifestd61f48ee9d527f945ce25df6cb748bf49979c3c03e07443e59340e7393102ef7

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
Signatured3pm7o1SW3e37G/K9P0SyvFYeJP7r35IH+KjPXV1qlpW+WPonHGg6+2zk0CE+5tuPW6dh93u7un2UKwq8oIDCA==
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

2026-09-17T10:05:10.193766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079525
observed b64fa1fad34de20d101c9e1a48744ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.176937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079525/manifest.json
observed d61f48ee9d527f945ce25df6cb748bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.159450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079525/publication.md
observed 720e16b9ccca10fb102ed496e1697e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.143016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079525/publication.txt
observed 817cce3a5d09d2535ede6d1e13fb1391...
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.