OpenTechnical

OT-2026-000089180

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089180) never changes.

Identity and time

Publication numberOT-2026-000089180 · never reused
Internal UUID01a0ae9b-db00-777e-94a9-cf1537db53f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089180
StatusPUBLIC

Content hashes

Canonical textf8e60e2a9fe144e0b040702f4f8c3566238ad0315378ce43a9e9b9f302abeb67
Markdown63e3b18d78c3d023eb33ef74e7ebdeac43af07672b2995f95d597fdf2cb917ee
PDF
Publication pagefd5798d7a1aa2f0bb2bdd4f39ad122f8b4da2c348898c0f1d8faa35e98d4309e
Manifest391687e03c9b8982f24c7ec84a2c3f38e53c024e0e534d4028b61b3aa1a9d17d

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/nohLWlZEB+FAlowmZPaVTnPrVCbhfPK1OIKQXOYFF5NGkodoHLfwxpVHLL4Jr/dAngiGNif4Xt/GGRT2A2sCQ==
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

2026-09-17T09:47:11.603381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089180
observed fd5798d7a1aa2f0bb2bdd4f39ad122f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.585559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089180/manifest.json
observed 391687e03c9b8982f24c7ec84a2c3f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.568481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089180/publication.md
observed 63e3b18d78c3d023eb33ef74e7ebdeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.552648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089180/publication.txt
observed f8e60e2a9fe144e0b040702f4f8c3566...
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.