OpenTechnical

OT-2026-000081724

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000081724) never changes.

Identity and time

Publication numberOT-2026-000081724 · never reused
Internal UUID01a0ae97-0f73-7b20-8e9e-4cccecc853e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081724
StatusPUBLIC

Content hashes

Canonical texta0030eb535bad0965747fe15c5821ee6b948d6b7c21537c29f87db285291174c
Markdown1fde13f234893f7f4c75825fcf99bf9c513ccb92aab146bc8af0e70f8d302b39
PDF
Publication pagedac7adce745f82844c26a154cd203a60cef20a905b404225a0d4fd82ecf47c9a
Manifest89e39a23e1c2fa5607b91ad2f95757a72e6fc5c90b3944d10e8562a0a514cd0c

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
SignaturepduX5VOO1oHB5kW/gTzNkpSDCQmgqe0bFxwXcgkA1sCT83rEzfdZ+SnmCApCdmiRubm51bJM1oaNswBxOIIxCQ==
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

2026-09-17T09:59:48.078972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081724
observed dac7adce745f82844c26a154cd203a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.062011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081724/manifest.json
observed 89e39a23e1c2fa5607b91ad2f95757a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.044419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081724/publication.md
observed 1fde13f234893f7f4c75825fcf99bf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.026266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081724/publication.txt
observed a0030eb535bad0965747fe15c5821ee6...
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.