OpenTechnical

OT-2026-000061747

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000061747) never changes.

Identity and time

Publication numberOT-2026-000061747 · never reused
Internal UUID01a0ae8b-b8aa-716f-b49f-0c012a41f0a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061747
StatusPUBLIC

Content hashes

Canonical text1cc03de2e6215a4757451a0b7f32d5f8ddcaa802b5e314f35a82d7049789d687
Markdownd539652b65ae006456624532d03d938e11dd7fe7aeaa9a9014d05c2a90e8bcf2
PDF
Publication page50d30146527e95888c8456998dd66a0527187653afefb2c9a8c46584d72d7a9b
Manifest510c48688d85b6016286d51ee90260b2ada7e7d21fefe56857b715e8adf91160

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
SignatureJwP0ndNJMGJUHVzRcJygZ0jGhr1AUc/kgLkOln/Srd9eC/3ayW6bhvyIlmggV33OSCYfzRvN5o5tYbhys24QCA==
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

2026-09-17T10:40:26.751196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061747
observed 50d30146527e95888c8456998dd66a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.731931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061747/manifest.json
observed 510c48688d85b6016286d51ee90260b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.714386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061747/publication.md
observed d539652b65ae006456624532d03d938e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.696310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061747/publication.txt
observed 1cc03de2e6215a4757451a0b7f32d5f8...
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.