OpenTechnical

OT-2026-000044807

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000044807) never changes.

Identity and time

Publication numberOT-2026-000044807 · never reused
Internal UUID01a0ae7c-911b-7f19-ac02-7b57479f16f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044807
StatusPUBLIC

Content hashes

Canonical text2676e0d0aaa329621b2d0ef44db3af75d19b3f9bdc3eee17c3fd29f12f476aa9
Markdown66baa84a8660cfe4e82816e9ed5e1e979db6c0c2adbf1eabd877d54b5ea1d38a
PDF
Publication page127e7cdd5de3c80b649f6bbb23cef9ffdce702539b9d37e709d12a7acd06ea3c
Manifest42352edc4356cade5d94b012e521920a60fc7cc28f197571553fd013cbc83e76

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
SignatureEUsroCwCIfzanw1hTLO6olSFQ9+b1iLCXT1b9knhcKcWSvfmoUhloe5mxHzJyDschSSuH4I7g9FERbdX829zCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:11:26.320470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044807
observed 127e7cdd5de3c80b649f6bbb23cef9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.300045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044807/manifest.json
observed 42352edc4356cade5d94b012e521920a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.281951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044807/publication.md
observed 66baa84a8660cfe4e82816e9ed5e1e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.264002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044807/publication.txt
observed 2676e0d0aaa329621b2d0ef44db3af75...
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.