OpenTechnical

OT-2026-000007252

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow off after set down

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-2026-000007252) never changes.

Identity and time

Publication numberOT-2026-000007252 · never reused
Internal UUID01a0a978-1d68-7ee0-82f5-953658efd529 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:56.490558Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007252
StatusPUBLIC

Content hashes

Canonical text510e3138d3aece59aae957a6b720dc894af4a4311429d9c998d3fe064b4429c1
Markdown3a2bf73285e2b3dfb5eb032d09250c98a1ee237d2e12de18112588765b2bac5e
PDF
Publication pageb3cb400774ad4a7fc13308e04c109d8b0a2929fedfed9a879f9c14f05496197b
Manifestbba7b51b1541af04ead446e230f5de787548da656d695ef06dd439a51c7fe218

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
SignaturerMSzclKsOUBpGMlF/5T4Fyu7R4ha0dY+7ctlzXR2pzZ6c/Yw3G4wGbcpaU5zy69rM9u/7ZZuLGdweJfcO8zDBg==
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

2026-09-16T09:10:11.388431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007252
observed b3cb400774ad4a7fc13308e04c109d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.254886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007252/manifest.json
observed bba7b51b1541af04ead446e230f5de78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.243084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007252/publication.md
observed 3a2bf73285e2b3dfb5eb032d09250c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.230015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007252/publication.txt
observed 510e3138d3aece59aae957a6b720dc89...
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.