OpenTechnical

OT-2026-000059672

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059672) never changes.

Identity and time

Publication numberOT-2026-000059672 · never reused
Internal UUID01a0ae89-ec24-70a3-a9ed-c028a324efd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059672
StatusPUBLIC

Content hashes

Canonical textce4ca130281098a734847af90da492a1ed012297589588b73d19a7032604eb52
Markdown698cf606736471f8bb86e1451b93bea7f6379916197b94f2e32fa79dcde7ed41
PDF
Publication page10b3070ec57d40523b0f0e308aa362ab3491e617f9c1e7593ace464b8dea47c6
Manifest3cf208d861064fedbf3d1f0feca53f2049a79c64427414d6067f06100ddd7e23

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
Signatureer65r8qIhZ3estzyChlNzmkltJSpF/tWZF5nSpksVFlW+b6EBuWa0SwNe5XLzbDoJEx7HrQru284Jsgoc0L+Aw==
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

2026-09-17T10:44:22.417874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059672
observed 10b3070ec57d40523b0f0e308aa362ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:22.399672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059672/manifest.json
observed 3cf208d861064fedbf3d1f0feca53f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:22.381188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059672/publication.md
observed 698cf606736471f8bb86e1451b93bea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:22.363899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059672/publication.txt
observed ce4ca130281098a734847af90da492a1...
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.