OpenTechnical

OT-2026-000043727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000043727) never changes.

Identity and time

Publication numberOT-2026-000043727 · never reused
Internal UUID01a0ae7b-92d1-7c6f-b466-2aced7486805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043727
StatusPUBLIC

Content hashes

Canonical textcdf11e7c2f9350ec2a45e62b0e7546cf238864295cd12db6cb2eb1c0ff742ac5
Markdown45d813cccac85a4c446c49dcde8ebc5ae413d8a004b165bdab8d5f11a5deb6ff
PDF
Publication page67bdd11bea3f563f8f34aefe99565cd4f7e6cd8fb5c6b16aecfe833b8607af30
Manifest35e4981e3d31b7ac34be7558ebc4f9d14d3246b7f2870b3f42c25a5c68bb5a0a

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
SignaturexQP0hhjPfr8kW656saiZ96FEOeC86y+LXfo1kIK1qzjv0odFzCB5w/Y6f4WMt28TDzQy/WRtmFWtS7zrdyaIDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:13.882653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043727
observed 67bdd11bea3f563f8f34aefe99565cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.863341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043727/manifest.json
observed 35e4981e3d31b7ac34be7558ebc4f9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.844714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043727/publication.md
observed 45d813cccac85a4c446c49dcde8ebc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.826538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043727/publication.txt
observed cdf11e7c2f9350ec2a45e62b0e7546cf...
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.