OpenTechnical

OT-2026-000059899

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000059899) never changes.

Identity and time

Publication numberOT-2026-000059899 · never reused
Internal UUID01a0ae89-ec26-704b-9731-c291a5a17899 · 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-2026-000059899
StatusPUBLIC

Content hashes

Canonical textb515e422cad0686f83602b3fc6a6898d6ba00b636e64bd6ed087c249b31b1b89
Markdown6e1228991dec5fb472e8d5a9568db4030224d5dd23c0e67ecfe676f713156cdf
PDF
Publication page9ca6a2a40d17b0438a0fe0bd6538e99de2372375f3e739f87388e268781f87b3
Manifestb33602ccb2b68d068306371998d33212abca4b78c6535eaf6322413eabdffdf0

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
Signaturecm+m0o9PGbQfyBU20E+sFI5n5p3vrUOCmNjmeKXPFE80A4I7VCdKJcRH+GQvYhbZsmxWLud0O7ffo/oUyNs0Dg==
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

2026-09-17T10:44:39.661262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059899
observed 9ca6a2a40d17b0438a0fe0bd6538e99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.642609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059899/manifest.json
observed b33602ccb2b68d068306371998d33212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.624305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059899/publication.md
observed 6e1228991dec5fb472e8d5a9568db403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.607911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059899/publication.txt
observed b515e422cad0686f83602b3fc6a6898d...
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.