OpenTechnical

OT-2026-000089647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089647) never changes.

Identity and time

Publication numberOT-2026-000089647 · never reused
Internal UUID01a0ae9c-1a21-77a4-a472-5324d480518a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089647
StatusPUBLIC

Content hashes

Canonical text24f4b8a92038afe3b5d5325ed2ba3bc77932aa8bb8dec1e5b542fcff655ebddf
Markdownea6588b45314afb962b930aa04dafcd12ebdc0f980f1f039bbaf7d8aedd4b728
PDF
Publication paged242bfda514dc1dbd3bbfa01c54687f1366608e1d29b317978e56ff14dde46e5
Manifest6220ca518fe898425a14287deae0dbb8ed12627166c9f3ec99bacb1e91bc7e23

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+s7QsulaqbZllhexzQnYZtvTrmosBovHKKL/13uJ18g5DBPRjJgMzxDvyv+Nzr0YyfOGbaIAWHvBmbgvxM9YDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:38.235407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089647
observed d242bfda514dc1dbd3bbfa01c54687f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.218477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089647/manifest.json
observed 6220ca518fe898425a14287deae0dbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.202534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089647/publication.md
observed ea6588b45314afb962b930aa04dafcd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.185230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089647/publication.txt
observed 24f4b8a92038afe3b5d5325ed2ba3bc7...
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.