OpenTechnical

OT-2026-000009131

Publication integrity record

Foam pad vacuum gripper, single stage ejector, sustained blow-off before 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-2026-000009131) never changes.

Identity and time

Publication numberOT-2026-000009131 · never reused
Internal UUID01a0ae6b-31b9-7900-99c3-6d84dd1e1c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009131
StatusPUBLIC

Content hashes

Canonical text8c6fcbdfb63a9ab6c40c3dead3cbfb973f6b1b449d4cded55a38e8516402d78b
Markdown48428eaff398236b57af13db4debe46619f81a345a015a358a83c32ff32897a1
PDF
Publication page5cd6e67fc2245fe20001aadd689b9d1fb382b1fc28149b11a8823b8176395609
Manifest8e97efcd166e47c834097918721c49c6b6e408c960f2eaa5893200d1dc2c97bb

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
Signaturen3BpEiN7ibWl92Y1Nz79nwtSOFd+PQtsyFMF48/syDLP9S70Movv1TkS4mbbMSJK1rufCVxmVnnIKtYXZIO4CA==
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

2026-09-17T12:17:49.438823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009131
observed 5cd6e67fc2245fe20001aadd689b9d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.417562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009131/manifest.json
observed 8e97efcd166e47c834097918721c49c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.398716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009131/publication.md
observed 48428eaff398236b57af13db4debe466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.379271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009131/publication.txt
observed 8c6fcbdfb63a9ab6c40c3dead3cbfb97...
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.