OpenTechnical

OT-2026-000074489

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000074489) never changes.

Identity and time

Publication numberOT-2026-000074489 · never reused
Internal UUID01a0ae93-717a-7770-9ac9-76273cd71672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074489
StatusPUBLIC

Content hashes

Canonical textb3ec10aacd6608c881a675f92c675a22808f6b6349e44661307f236c5e0f610f
Markdown750db429c5d640e4efdf3aa89a92c8346c2a97d3c385dd2150cfa635957d5112
PDF
Publication page4f0af15fe3a804fea7630146bb6996791d33cba68747787114e34102fc5e5cdf
Manifest84aca57106769cf9babeec1e96a4b22b540c44ced3526e8c9939df5e16d37fc6

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
SignatureWIFBKS/A0z9GJX0smwd4UDjfPiWmWtTmIVq8RxacSUDg4jM6ryFBUSyZ8yIK8mOeGRQXe3njCjz91eeuGYxNCQ==
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

2026-09-17T10:19:27.399759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074489
observed 4f0af15fe3a804fea7630146bb699679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.375823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074489/manifest.json
observed 84aca57106769cf9babeec1e96a4b22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.357119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074489/publication.md
observed 750db429c5d640e4efdf3aa89a92c834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.336171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074489/publication.txt
observed b3ec10aacd6608c881a675f92c675a22...
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.