OpenTechnical

OT-2026-000058306

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000058306) never changes.

Identity and time

Publication numberOT-2026-000058306 · never reused
Internal UUID01a0ae88-f398-7676-bf0b-610d996546c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058306
StatusPUBLIC

Content hashes

Canonical text4c0a0959eceddf4ab0b9ed97c283d947b2e479f558e1b1ebac57b9d1e3883d03
Markdowncf23af8af892fa8617b60eb3878d396bed7caafc9442b6746a028d463dc7f469
PDF
Publication pageff2f7f5c5fc5a85e03539e15c5a5ab7daada80f90a1f8715cabcf24e5aec3daf
Manifest7761314250213da585464e0ff677ba2ae53a9b9a72277b853e9cde77a4d137e1

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
Signature4CjbElOY6HFuH3VC4w2WL5bf67lRNJDnCAV43XQMJcKLCNQNIc0avKblQS6vtslrRBLs1yjdTyw4KP8UjWozBQ==
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

2026-09-17T10:46:42.420623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058306
observed ff2f7f5c5fc5a85e03539e15c5a5ab7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.404673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058306/manifest.json
observed 7761314250213da585464e0ff677ba2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.386947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058306/publication.md
observed cf23af8af892fa8617b60eb3878d396b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.367967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058306/publication.txt
observed 4c0a0959eceddf4ab0b9ed97c283d947...
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.