OpenTechnical

OT-2026-000069106

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000069106) never changes.

Identity and time

Publication numberOT-2026-000069106 · never reused
Internal UUID01a0ae90-6dce-7c43-8cc7-640edba84f3a · 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-2026-000069106
StatusPUBLIC

Content hashes

Canonical texta26df7f0f8804b1563a8075c9998aa30b0821e921d34a8e5fd7be9cc8ae58af1
Markdowndfdd2c6ffda1d4d1e1c51d16ab5aa308e64c4bb10b00942afbbc8a91b7af46fc
PDF
Publication pagec91a1df36cecaae3a3f62c2f177445f5a29dab7e8a11b642ceae693430d5fea1
Manifest477d244892b7bbd88317e421e6c892380bc6d49259fd56514d86181c5a0b69b6

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
SignaturecPp59XI+2q9QNyKYQ0VKt4/S/ccwz5pMFsTqHW0KG+oEqFUt+pn2ZKHqMaj/E3vwUADKXdiQ4CLxij6TPumEBw==
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

2026-09-17T10:28:59.034344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069106
observed c91a1df36cecaae3a3f62c2f177445f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.018360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069106/manifest.json
observed 477d244892b7bbd88317e421e6c89238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.000247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069106/publication.md
observed dfdd2c6ffda1d4d1e1c51d16ab5aa308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.983214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069106/publication.txt
observed a26df7f0f8804b1563a8075c9998aa30...
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.