OpenTechnical

OT-2026-000059131

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line 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-2026-000059131) never changes.

Identity and time

Publication numberOT-2026-000059131 · never reused
Internal UUID01a0ae89-8611-749f-8dfd-731a1dcebcb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059131
StatusPUBLIC

Content hashes

Canonical textfa44967ee3d1c70f02bd9de38c07bed6b7e0c9db7bd0aec8ad15f391e5afc4df
Markdowne3c077782545ff7110974d4dc734cdd3096dfcfd31ac7fc8b1e1243e6e512e89
PDF
Publication page6df73b62851d7489c2fcce6ada4b6485219c1de4a452430431c1c195909d444e
Manifestb2f506bbb0bd91030bccb1403194bfb68d9594da0ae5a9b16087bf465eab3172

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
SignatureAiQp3F57KL9jFwbf+UyCtkKxVy+E5O/r5IBP5K6UDPgudw/mVGpIzLSqUuGA3OvfMYBOZ36qIADRKDh4P9z5AQ==
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

2026-09-17T10:45:04.470892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059131
observed 6df73b62851d7489c2fcce6ada4b6485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:04.451846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059131/manifest.json
observed b2f506bbb0bd91030bccb1403194bfb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:04.434119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059131/publication.md
observed e3c077782545ff7110974d4dc734cdd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:04.416863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059131/publication.txt
observed fa44967ee3d1c70f02bd9de38c07bed6...
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.