OpenTechnical

OT-2026-000083068

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000083068) never changes.

Identity and time

Publication numberOT-2026-000083068 · never reused
Internal UUID01a0ae97-c962-7d8c-8720-b8e7a4a05fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083068
StatusPUBLIC

Content hashes

Canonical text96f3ae7fbdb50a7240b3a04d5e08f0b903987bb4aae30467bf2f12ac445af439
Markdown350a568ce575af8387b001295cc115c23aece1900a431eb4aed7289cb6c3daa2
PDF
Publication page15a9ed2b20ec5434526aa42d06576e953a7328d68ea1b06f60be4372b5839552
Manifestb778bcff9aeb6b1a0c27ba17844fb59e3a3e4dc020720ccef3ebb0426d906dd5

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
SignatureCEzT8l7mXdxvrwYSFuQdj3CSpERXQhha/7JBD6hDiPXKdHt3XaMUjAvSO4/drWJwhDjnmfDByLfXPaQ5T7tXDQ==
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

2026-09-17T09:00:30.849820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083068
observed 15a9ed2b20ec5434526aa42d06576e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:30.832403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083068/manifest.json
observed b778bcff9aeb6b1a0c27ba17844fb59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:30.813135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083068/publication.md
observed 350a568ce575af8387b001295cc115c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:30.671118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083068/publication.txt
observed 96f3ae7fbdb50a7240b3a04d5e08f0b9...
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.