OpenTechnical

OT-2026-000009902

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000009902) never changes.

Identity and time

Publication numberOT-2026-000009902 · never reused
Internal UUID01a0ae6b-cb78-7be5-be54-23c1986b67e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009902
StatusPUBLIC

Content hashes

Canonical text0df31a875793a615f7b40d7c950e132114303a0c397d11d2e45ed77b99a478f1
Markdown2f259f92d5d1325f8e11bfb5313dc2b7a12f489d0a079d88e5d1cc61bd3ccae5
PDF
Publication page7dd05358713d80ceac2ee3844195d027c703f0d734781d0038007e7bc5db5559
Manifest78a4dbdcb885000184875696dbcfb0922d3e38dfdb43a266ad7c33267522ca1e

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
SignaturevJZgcmP9LAa+1UXDcJcASBGADeydpiP2xGzW8Z1vJ99oop1Z0kAlKeffMj2VSgIaftX17RmcqpVgW5QuHemmAA==
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

2026-09-17T12:15:54.976113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009902
observed 7dd05358713d80ceac2ee3844195d027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.954794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009902/manifest.json
observed 78a4dbdcb885000184875696dbcfb092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.937527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009902/publication.md
observed 2f259f92d5d1325f8e11bfb5313dc2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.919325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009902/publication.txt
observed 0df31a875793a615f7b40d7c950e1321...
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.