OpenTechnical

OT-2026-000077711

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077711) never changes.

Identity and time

Publication numberOT-2026-000077711 · never reused
Internal UUID01a0ae95-2ecf-7671-8386-4cb93061911f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077711
StatusPUBLIC

Content hashes

Canonical text58f55d314978eff21587431a42556edd3751b07ee999b990f80e47a1b119b68f
Markdown7ff77b74e1e11232a40cdab1fc56fd4c16ebec4e89cdac204b01237e29de2680
PDF
Publication page0d58e00d587ebed5da21a3819ea09a3a107924f66027cb080b77b169e33f471d
Manifestb377f7951bcd3f22765ad1e2f5c75b31ce1a882f65120c8084be3ee2672c6a29

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
SignatureMEgEImkUT8sgOITJPX/k9eD7CSaAExMYR+pyuUV2zAahCT7Lps9bKniUpCSwcGKTHRDKmyOEtBfFF9hHuKKpCw==
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

2026-09-17T10:07:17.078957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077711
observed 0d58e00d587ebed5da21a3819ea09a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.059917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077711/manifest.json
observed b377f7951bcd3f22765ad1e2f5c75b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.040851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077711/publication.md
observed 7ff77b74e1e11232a40cdab1fc56fd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.021761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077711/publication.txt
observed 58f55d314978eff21587431a42556edd...
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.