OpenTechnical

OT-2026-000068838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000068838) never changes.

Identity and time

Publication numberOT-2026-000068838 · never reused
Internal UUID01a0ae90-6dcc-7acd-83c9-178b8b8ae7fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068838
StatusPUBLIC

Content hashes

Canonical textbac7b08e63bd29f3dde3ceb50f71a6db7820986ad67aaf2bb4f78ccecd7075eb
Markdowneb1b022a23d692377fb5f29a1509a8a93f1ab95827a35bce7cab397a9974d008
PDF
Publication page934abbe89cdc6f4b23183818c63d997833d526d8b73e2d610d1bd28e46536543
Manifest36c78a201ac01667bb599c03f3ba996a4871eb184cebf9f6d131a10ca6708c2c

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
SignatureN4OrZw6/ZO4yEG0w42/rxMsXh6KUFVKkEYH5yWdyJHYuZswJpf2Uc7tC7J8Hu0Vq2Tnnx4f1d4ewPUbf31VnCg==
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

2026-09-17T10:28:38.611154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068838
observed 934abbe89cdc6f4b23183818c63d9978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.592758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068838/manifest.json
observed 36c78a201ac01667bb599c03f3ba996a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.574599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068838/publication.md
observed eb1b022a23d692377fb5f29a1509a8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.556603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068838/publication.txt
observed bac7b08e63bd29f3dde3ceb50f71a6db...
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.