OpenTechnical

OT-2026-000058200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000058200) never changes.

Identity and time

Publication numberOT-2026-000058200 · never reused
Internal UUID01a0ae88-6edb-7547-b983-9cba2587ceb0 · 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-2026-000058200
StatusPUBLIC

Content hashes

Canonical text51feffc04db2ccc9b83d4062089be50fcda9fbb623a52687ef48233a6a3237a7
Markdown4e90f309cd336257db4ac4472bcd2e68388025d619d19fb83fe2047d49c1070c
PDF
Publication pageb325de2738e26f28cee527566ceb464f734c52e1081de1840402c09b295221c4
Manifest8c1e31224a1889b624edaa026cdccf075767fd79c7a1a2e8e1d5dd928e4da4cf

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
SignaturebcYVHl1i1rcY3tVSn3gWkxNZfldOAMXmthdG6G48zuHI2escT35AttzHEW3TybKTOgynTS63P0eR/6kvDWPcBA==
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

2026-09-17T10:47:54.455039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058200
observed b325de2738e26f28cee527566ceb464f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.437117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058200/manifest.json
observed 8c1e31224a1889b624edaa026cdccf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.418862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058200/publication.md
observed 4e90f309cd336257db4ac4472bcd2e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.403407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058200/publication.txt
observed 51feffc04db2ccc9b83d4062089be50f...
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.