OpenTechnical

OT-2026-000009653

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000009653) never changes.

Identity and time

Publication numberOT-2026-000009653 · never reused
Internal UUID01a0ae6b-7563-74de-8422-8f436d10da0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009653
StatusPUBLIC

Content hashes

Canonical text725780180c347c68438e443a6691fe1907b390ecad9be5da29cc5e8aa8bf85bf
Markdownbb9089227f870b61033340479c165a0ad31a16110fc064e5d3edea788f864fa9
PDF
Publication page82551d6081ddf145c30f6630244df7a3251a91394b34408fc3749d1ea16d27ff
Manifest504c57cf404eaf6d4c90573d63eaeaeb7b490160676c1988bd2e1ded26c1c3e5

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
SignatureSFw6dlmjbG3zfmoFweKm0V0uIZ+4TD67oBmnxgXRTKV4fxghadfR29dDR9Jp/+RQ2JODxDVAlvL+Oy8ROdX1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:07.264824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009653
observed 82551d6081ddf145c30f6630244df7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:07.246267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009653/manifest.json
observed 504c57cf404eaf6d4c90573d63eaeaeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:07.212954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009653/publication.md
observed bb9089227f870b61033340479c165a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:07.180065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009653/publication.txt
observed 725780180c347c68438e443a6691fe19...
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.