OpenTechnical

OT-2026-000057862

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000057862) never changes.

Identity and time

Publication numberOT-2026-000057862 · never reused
Internal UUID01a0ae88-6ed8-7b59-a584-d95a64a23691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057862
StatusPUBLIC

Content hashes

Canonical text8f94f00d6b8eff53862735c25c2dee597b76bd431ef938e7079a215fa695dd45
Markdown24bd8b4b1cfa652f3c28d3f2ad3d1fa64688e4baf8cd5b3d9a2fa085bbd8fc02
PDF
Publication page097e7a9a3b509afbff353ce2fe6457bfef0de803d817f456abbb491b3f540526
Manifest61b894ae4f25d4a543bbdc4762f34866eff8f70e6d8724d6b1656b01b1176d88

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
SignaturemfROkbFOCVrbwFho3Bp6qRgyU8M5DnlO6EJEBgGX8S+mcoRbaKle2cJJHY5c+6YT/VpnTaL/5CHmNGGv4f1LDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:26.737587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057862
observed 097e7a9a3b509afbff353ce2fe6457bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.720989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057862/manifest.json
observed 61b894ae4f25d4a543bbdc4762f34866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.702424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057862/publication.md
observed 24bd8b4b1cfa652f3c28d3f2ad3d1fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.684388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057862/publication.txt
observed 8f94f00d6b8eff53862735c25c2dee59...
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.