OpenTechnical

OT-2026-000007153

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, pump fed, pressure verified, plastic cups, three 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-2026-000007153) never changes.

Identity and time

Publication numberOT-2026-000007153 · never reused
Internal UUID01a0a974-9f6d-78a2-9161-185ff01f9e37 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:07.632233Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007153
StatusPUBLIC

Content hashes

Canonical text577025c49517e5f06693c115ead74fac239558cf71dfa260aec88b525eebc4c5
Markdown1f6c6ce0638369d16a5e26c00940f2ef1b8b67ce80269f5c573aaed13ae89c6d
PDF
Publication page50d08a00a40d216dc103103e011c0485393a1f9eede0ae261b250f9dd2f23c96
Manifest9ef51015885d5f890aaab4ab92819a315cce912ccc1efe81e841c2b45ee261f1

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
SignatureQeKNRaIAjGczUqFwDzI6FLrdx6fTMQlA0d5sK0ft3UJKTQq7Ts1qiwO9MZkNmKbrPbbOHzrEAVVUKz5xxNfeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:21.405227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007153
observed 50d08a00a40d216dc103103e011c0485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.393478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007153/manifest.json
observed 9ef51015885d5f890aaab4ab92819a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.380820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007153/publication.md
observed 1f6c6ce0638369d16a5e26c00940f2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.258183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007153/publication.txt
observed 577025c49517e5f06693c115ead74fac...
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.