OpenTechnical

OT-2026-000077304

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000077304) never changes.

Identity and time

Publication numberOT-2026-000077304 · never reused
Internal UUID01a0ae94-f508-719a-a658-ce94c9f7da58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077304
StatusPUBLIC

Content hashes

Canonical text195e70d922ceaef76a00fe11b29e383c090c48b05f2837c2d6e22480df92ee4a
Markdown4d6f9bde2f659d66eb1bf7f6e0283c5bb078922c795dd3167491700e3a0dca30
PDF
Publication page2d273c0c58ba13f1e8ed68c3ba1cb191a7176439b40a19e1e838746adecef2c8
Manifest267590b2f347c86ac10fbd2b867a13ed25f202e2288ed43df98a10530b357a8b

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
Signature+lPIKVDTEiGcPM3OMk4at1aXsUr++WsdoMuQa9vwwZ0Zm4skf/OLvGXF86Zams15f11DSQVy4JOM4qTVK/kPAQ==
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

2026-09-17T10:08:56.401046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077304
observed 2d273c0c58ba13f1e8ed68c3ba1cb191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.382476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077304/manifest.json
observed 267590b2f347c86ac10fbd2b867a13ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.363076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077304/publication.md
observed 4d6f9bde2f659d66eb1bf7f6e0283c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.343520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077304/publication.txt
observed 195e70d922ceaef76a00fe11b29e383c...
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.