OpenTechnical

OT-2026-000042238

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042238) never changes.

Identity and time

Publication numberOT-2026-000042238 · never reused
Internal UUID01a0ae7a-5d72-7bbe-ab71-70fcd24559b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042238
StatusPUBLIC

Content hashes

Canonical text682fa0ceedd750a9c576044a9a19754d60c430efd5af28cd32800e37d220d5a7
Markdownfe1073639e8d16e7235d99a186ffa37a5749c659514ae4f928506cdae95c304a
PDF
Publication page1eceefee24cd4d0956862e15a080c0bc21495272dc15003ab74496b4b9dbe56a
Manifestcbaa48908ff8670aab2756bc17074f66e3d7efdbeb703052e05fa20540df647c

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
SignaturefjV+962/C0q2NdHAfZMVaghq6foFMu4eq3/u4sdvUqptSFxn6X99ISfCYRqExU3lW+z6vxsazluJZrdVJ+r1Bw==
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

2026-09-17T11:15:55.065672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042238
observed 1eceefee24cd4d0956862e15a080c0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.047579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042238/manifest.json
observed cbaa48908ff8670aab2756bc17074f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.014965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042238/publication.md
observed fe1073639e8d16e7235d99a186ffa37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.980437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042238/publication.txt
observed 682fa0ceedd750a9c576044a9a19754d...
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.