OpenTechnical

OT-2026-000058037

Publication integrity record

Four cup vacuum gripper, four 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-2026-000058037) never changes.

Identity and time

Publication numberOT-2026-000058037 · never reused
Internal UUID01a0ae88-6eda-7afa-a771-cb413155061c · 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-2026-000058037
StatusPUBLIC

Content hashes

Canonical text56b7affd50096d2771acdd3431d01500410f7eafaa57eedbfef5ddd3414a8c16
Markdowna9198321cf7fef9c5b3cb35c82785080d1a2c90479c20e3ed9ca8174a5c5f46a
PDF
Publication pageb4277ce837599416875818864aadc9de563ee69a2b375e9b61a90df3a8b09dfc
Manifest36b2ebb61ddffe003682db6cca5e7599be9b159fcf372a90c12c678efd068897

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
SignatureiWwqrxl9fdiBWtwl8O+9OYoqMcc6APFPbG9q5uFRMQttiBLLrcGZJsD20DVcI06hjIrWluSgEYMnaceHM32VCQ==
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

2026-09-17T10:47:41.002383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058037
observed b4277ce837599416875818864aadc9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.984198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058037/manifest.json
observed 36b2ebb61ddffe003682db6cca5e7599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.965161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058037/publication.md
observed a9198321cf7fef9c5b3cb35c82785080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.944875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058037/publication.txt
observed 56b7affd50096d2771acdd3431d01500...
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.