OpenTechnical

OT-2026-000057801

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000057801) never changes.

Identity and time

Publication numberOT-2026-000057801 · never reused
Internal UUID01a0ae88-6ed7-7ef9-98f5-acc0e4b9c166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057801
StatusPUBLIC

Content hashes

Canonical text06b7b37d4f10740b399b0da101e7640d45413cda270203ab7ca59db18dda4820
Markdown29847b08ad77091f8b4c6df1f05482be91b9436b02d20397621621dad1115c63
PDF
Publication pagea50071aead2deaa0b364411032a9ddf875864c791534e82269ae5335f35e6e4c
Manifestff7864d93fddf073e21dd8bcdf63b712329b242e8dc13246242a02efa8bbaee4

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
SignatureUPjp3+Yqkx/DnBmi4xaqrSYxTkOCyEPWnWnyrGD6LXjsMsovIS9J80VcN9dbqtbiZNEcqpKJJnCav1ZyDNaJCw==
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...

Independent retrieval

2026-09-17T10:47:21.793149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057801
observed a50071aead2deaa0b364411032a9ddf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.775428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057801/manifest.json
observed ff7864d93fddf073e21dd8bcdf63b712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.758304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057801/publication.md
observed 29847b08ad77091f8b4c6df1f05482be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.741803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057801/publication.txt
observed 06b7b37d4f10740b399b0da101e7640d...
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.