OpenTechnical

OT-2026-000049319

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000049319) never changes.

Identity and time

Publication numberOT-2026-000049319 · never reused
Internal UUID01a0ae81-1350-7504-b827-751853e46a20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049319
StatusPUBLIC

Content hashes

Canonical text1b1959bfd8070cd218b4d70a4625706a990b3d664e07aefe4e505ae3eb537c7e
Markdownc69570f508034f0c499f996c8c3d8039edaf5d13dd02879430e0a5832a1e9235
PDF
Publication page0cce689e10f5a7d5890e40d576daf69df5983e7c58f21d11abd5f5c10f5bd9c4
Manifest4d42bc85c6e3d97efa9fd18365421ce1b8e57b6ab29433036bf5ff59569e135a

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
Signature6Un6boqp9xcUZHiL3a9pcW7v7dEOnbkNch4/leL5RHuPfpKWDgF5NZPbZ1wKjF+JRB5MztzWfC3EKDZRWtSsBg==
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

2026-09-17T11:04:11.507694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049319
observed 0cce689e10f5a7d5890e40d576daf69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.488987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049319/manifest.json
observed 4d42bc85c6e3d97efa9fd18365421ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.467802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049319/publication.md
observed c69570f508034f0c499f996c8c3d8039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.446949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049319/publication.txt
observed 1b1959bfd8070cd218b4d70a4625706a...
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.