OpenTechnical

OT-2026-000038251

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038251) never changes.

Identity and time

Publication numberOT-2026-000038251 · never reused
Internal UUID01a0ae78-2d51-701c-9841-3e746f3b15a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038251
StatusPUBLIC

Content hashes

Canonical text18931e62624fe2bb532747dd0b2549e53e67499e1150c3b3478132c5dc40ea7b
Markdownbe09440d10b17f968b9c16dfe783839eec051a249ff339961ad386890c453c0f
PDF
Publication pagea9ff8032549466fd7bcdc25e982b375a7511ac296d99b38b93b136839e31f34b
Manifest5c5cbbddf89b162433485109fec2155f34c6150c9e10c13e6f40c27887f344cf

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
SignaturedZy67hS8KPw8kNxKVWCQvmC8ILf1Ze1yCCLS+Dm4Dpj2smFWtToJKEH7PHu53AYiI6RR98PfGf49UVg9PqftDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:24.302455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038251
observed a9ff8032549466fd7bcdc25e982b375a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.283600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038251/manifest.json
observed 5c5cbbddf89b162433485109fec2155f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.264440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038251/publication.md
observed be09440d10b17f968b9c16dfe783839e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.244634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038251/publication.txt
observed 18931e62624fe2bb532747dd0b2549e5...
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.