OpenTechnical

OT-2026-000056526

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000056526) never changes.

Identity and time

Publication numberOT-2026-000056526 · never reused
Internal UUID01a0ae87-7af5-7040-8335-901967c1f5a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056526
StatusPUBLIC

Content hashes

Canonical textab1513d0debbfefb06815094be93050c445826707c9deb80d28989702e6c60db
Markdown0c5b69f870bf89558175ccf8ecc87b40f5f6fd0ecd901a24bcc1b300ddf4057c
PDF
Publication page74cad4bf370c8feaf82900bd18a962dfa6c8f0d11323fd13c728db8b3153533b
Manifeste32151323f2c1e794ab5a24a4fe540c2df253549b736b68e572ce738a40a0037

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
Signature8h7aFxpxS2Gggm0/Q56W2I7A81+32EyiEGJBEGudzlKHqHMy9euajdk73wJFFDUVitbB2WjFyT2dlVbWBlSoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:51.169016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056526
observed 74cad4bf370c8feaf82900bd18a962df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.152168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056526/manifest.json
observed e32151323f2c1e794ab5a24a4fe540c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.133675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056526/publication.md
observed 0c5b69f870bf89558175ccf8ecc87b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.081167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056526/publication.txt
observed ab1513d0debbfefb06815094be93050c...
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.