OpenTechnical

OT-2026-000076055

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000076055) never changes.

Identity and time

Publication numberOT-2026-000076055 · never reused
Internal UUID01a0ae94-6a6e-7ead-8ccd-abf70a4748d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076055
StatusPUBLIC

Content hashes

Canonical text912b494c09c528a52e5aa93eb64a6c44b3caa913ce8a07a1c8e32cc4c75919fa
Markdown8455881778b8e32f3bf07e4bcaa645a966d5a413797ff1e0be8ae47a18e48d82
PDF
Publication page38fa0f295fe0e5d10227a78cf2c6934f95c147c56985f25681fe236bcc286755
Manifestf62b4c72efd7e6ed2095ebee644be7786fecc8088a49f21b8a8dba61d1233ac9

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
SignatureMG9syK+JiI7wUS/gAmoMySXtzFfSV+qLY0FQEU3l8zntSSb7Vpf/c/MXLlNpDdjAlMsF2fjOgJG/jsbexoE7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:46.035060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076055
observed 38fa0f295fe0e5d10227a78cf2c6934f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.010739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076055/manifest.json
observed f62b4c72efd7e6ed2095ebee644be778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.990335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076055/publication.md
observed 8455881778b8e32f3bf07e4bcaa645a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.967352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076055/publication.txt
observed 912b494c09c528a52e5aa93eb64a6c44...
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.