OpenTechnical

OT-2026-000083738

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000083738) never changes.

Identity and time

Publication numberOT-2026-000083738 · never reused
Internal UUID01a0ae98-0417-7ad5-befb-28d072ff8354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083738
StatusPUBLIC

Content hashes

Canonical text97f43cb488321f2cdfc876258aca87d57aedcd541a88e8385ab8fb90544e4e84
Markdown512a22f8c17bece6d90989ed8e6fbf949900e5729148a8549386a378a59c6cf4
PDF
Publication pagec09322c21a59df60d86c0f07854437cf63cc79d6e281820aa9f5fb9e9f23df60
Manifestc6655523b83faa960731097b93e463f2554804c755415cb31e9dc2d10b70952a

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
SignatureeTeQewJ5QiJeMBQqRapebz+hG+E4RQaxC9hCbxMrRdDjHxPhi8zx1e4ElUbFSwG4ydb2wXpO+7p+DSA7C2ggDQ==
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

2026-09-17T09:57:22.403800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083738
observed c09322c21a59df60d86c0f07854437cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.388071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083738/manifest.json
observed c6655523b83faa960731097b93e463f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.370999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083738/publication.md
observed 512a22f8c17bece6d90989ed8e6fbf94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.353365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083738/publication.txt
observed 97f43cb488321f2cdfc876258aca87d5...
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.