OpenTechnical

OT-2026-000062512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000062512) never changes.

Identity and time

Publication numberOT-2026-000062512 · never reused
Internal UUID01a0ae8c-0ac0-7c30-b9ce-e6c68699d317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062512
StatusPUBLIC

Content hashes

Canonical textb7101481dc3806cb7e72f243970b44600039b1d56026e30ea4370d8d6d82bbd8
Markdown12f02bbd3c9ef09d12fde8c28e2c5616e768b207feeb269474fc1f64ba57b6dd
PDF
Publication page93a3af81220d2529c44b8514493b91fecbeee1e1f4bc35a7bd555de408103587
Manifestf55af757fb3babe193c6bc111327728b9a71a6965e4d0077b8ce4e2ee3c00640

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
Signatureh/rsAxbQpHObqrTg2l2N1mBecvs0r0RXfyR45UFifOtHq1Z8JIFw+vxpPcVRfNv/J/mlTIv9A3+HAEjKdnYKCA==
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

2026-09-17T10:39:57.914779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062512
observed 93a3af81220d2529c44b8514493b91fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.896894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062512/manifest.json
observed f55af757fb3babe193c6bc111327728b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.876923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062512/publication.md
observed 12f02bbd3c9ef09d12fde8c28e2c5616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.857839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062512/publication.txt
observed b7101481dc3806cb7e72f243970b4460...
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.