OpenTechnical

OT-2026-000004787

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, ejector fed, pressure verified, plastic cups, two fold

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-2026-000004787) never changes.

Identity and time

Publication numberOT-2026-000004787 · never reused
Internal UUID01a0a923-581d-7403-bebb-078dceb5654f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:34:20.960432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004787
StatusPUBLIC

Content hashes

Canonical text9c732d43d39aaf2e3552e0611b2c8b7c2773a2cd76fcba793dc24e13356a64e6
Markdown4a4a8eb8623da9085ea3ca2a3221bd391e908273e8fd3dc0ec3608d6f35fad4b
PDF
Publication pagee255af223f17eb00c53e454479ece264468668b5179e834a2fa2c2b48a14425b
Manifest2fc1e56be6d94b2cdd8ce5e7026a1be90491941c2766c8a7d802926184494eea

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
SignaturespsVpfedayMsAGxHid07MFOpfPIwdKmJQiOxpDcNFQi3QOyJElqbaIFg752MzExnz+KSQVKT6ac0ORwppj1JDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:18.977279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004787
observed e255af223f17eb00c53e454479ece264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:18.963443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004787/manifest.json
observed 2fc1e56be6d94b2cdd8ce5e7026a1be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:18.951426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004787/publication.md
observed 4a4a8eb8623da9085ea3ca2a3221bd39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:18.938565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004787/publication.txt
observed 9c732d43d39aaf2e3552e0611b2c8b7c...
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.