OpenTechnical

OT-2026-000087418

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087418) never changes.

Identity and time

Publication numberOT-2026-000087418 · never reused
Internal UUID01a0ae9a-cd50-7361-b242-5a274612f0f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087418
StatusPUBLIC

Content hashes

Canonical text7b5cddd20764fff020ca9434bf2c0aa1caf6d08afdd451bdd397d468b9429698
Markdown74afae8334d54c52330cdbb3435a447bfa896eecbb6f7d39aa2a4ca3ebb48313
PDF
Publication page3b64335961be995ec0046e5c69d2276434cd89694065ea82c4d1d895bfe5094e
Manifest3ce66c74455c8eadfae3dbd821ec59c0fec31167dfe03fa45c0b6c65d4ad5507

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
SignatureP2othNWd7o4GuaHN9+f2xKJ8+UPlZ1/ATZq2ZG6JplBJtaej+LPRFzwbP0C6SdoGauEmLhUTYkeh9P8HEHHRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:44.172450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087418
observed 3b64335961be995ec0046e5c69d22764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.153393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087418/manifest.json
observed 3ce66c74455c8eadfae3dbd821ec59c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.136094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087418/publication.md
observed 74afae8334d54c52330cdbb3435a447b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.119646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087418/publication.txt
observed 7b5cddd20764fff020ca9434bf2c0aa1...
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.