OpenTechnical

OT-2026-000005774

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, pressure verified

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-2026-000005774) never changes.

Identity and time

Publication numberOT-2026-000005774 · never reused
Internal UUID01a0a944-69f0-7593-989a-2e1782bb0544 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:28.211532Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005774
StatusPUBLIC

Content hashes

Canonical text210ca9577aa751c408b7936affbe62443cd630c76644192d36bce529bc323feb
Markdown2a213acb492c46d2e9b40e5bafea779206fd57efde654d9abe38de4ec113bd74
PDF
Publication pagedb86ec6aadb700946a69b5fe09c72e0f23000faaa28b7117365eeca31d59b6f2
Manifest61a4545d05c57b023e6ec6b8c2882014f6ffe94746e52f55a7da1fbabb3363f4

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
Signature+CpMa3LegHV20m/8M/Xji1Sa6oZBgH+24ObdJsR0UIfbOE0MF6LRxAwqNhk8DajFKXY2OFZ3+54f4SvnkzC7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:34.430501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005774
observed db86ec6aadb700946a69b5fe09c72e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.415678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005774/manifest.json
observed 61a4545d05c57b023e6ec6b8c2882014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.400407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005774/publication.md
observed 2a213acb492c46d2e9b40e5bafea7792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.385118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005774/publication.txt
observed 210ca9577aa751c408b7936affbe6244...
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.