OpenTechnical

OT-2026-000057693

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000057693) never changes.

Identity and time

Publication numberOT-2026-000057693 · never reused
Internal UUID01a0ae88-2695-7105-a257-8ec9a994876c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057693
StatusPUBLIC

Content hashes

Canonical textdb3c06809908e54b0cc34786c853952c7519966d5f5ff6e1c766825efdb31def
Markdown8e7a50c98864585062a12d0780d14cd2d690186a9f3d05c51f9ea668be10ea10
PDF
Publication page20873235de60f4addc5cc95c8202e43a0f1854c83a4a1de75eef46b3f3e410b4
Manifestfafcb20ecb0c09441377c9c7e1b6e3b0e97f393a5dc1a65288b1da2d19bf21a9

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
Signaturev//DyL2lGSAsZfT1cM9P9oa9fdEvn4SgffeNyx16HIvM9v9CzX/uMX55oUWJu+kwKVSAY6AFpgS7LWeL/+kBCw==
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

2026-09-17T10:48:21.376169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057693
observed 20873235de60f4addc5cc95c8202e43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.356675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057693/manifest.json
observed fafcb20ecb0c09441377c9c7e1b6e3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.329687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057693/publication.md
observed 8e7a50c98864585062a12d0780d14cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.308455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057693/publication.txt
observed db3c06809908e54b0cc34786c853952c...
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.