OpenTechnical

OT-2026-000075819

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000075819) never changes.

Identity and time

Publication numberOT-2026-000075819 · never reused
Internal UUID01a0ae94-29fe-7c1c-84e2-80537e16203e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075819
StatusPUBLIC

Content hashes

Canonical text0badb76660ede43257f5aba476e51b9e3fc72f040745a9ae3c4ac4c36b9b2c34
Markdown370d0ad24aa175abf80f478e17c0faa106d276dc0ee847116f6a18e15c797f9e
PDF
Publication page9199e582767ced3768e97e3998ecfea8d8835b12c07dd384aee619dfe221227d
Manifest4bad70d96f7998d76bae3594d92e325a4c1748ae4a25fb5b29e13dc1255f8c59

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
Signaturek8CDvJLunI1p/jzZ9SHGopltKauNQ/nIgZetNIs5G9ouoWMoh4eaJBOXg3dXX+/YpgMdYwdzHmOPIX/mSJuwAA==
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

2026-09-17T10:14:21.510690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075819
observed 9199e582767ced3768e97e3998ecfea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:21.493485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075819/manifest.json
observed 4bad70d96f7998d76bae3594d92e325a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:21.476399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075819/publication.md
observed 370d0ad24aa175abf80f478e17c0faa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:21.457549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075819/publication.txt
observed 0badb76660ede43257f5aba476e51b9e...
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.