OpenTechnical

OT-2026-000071988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000071988) never changes.

Identity and time

Publication numberOT-2026-000071988 · never reused
Internal UUID01a0ae92-47c0-71c0-9394-6b96e87eb523 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071988
StatusPUBLIC

Content hashes

Canonical textb45a4b5351e0d65b262512aeb7067c1cf20b455d7ad0baa37d77322c30793665
Markdown5229a7cb0ab4d5590d232c97504240e94405a9033a11a9eb96cb7f7604777ee7
PDF
Publication page9c9ce793e644dbb04046a7e6bab6f120d4b7b07b97265297ef99f407f2aefd3b
Manifest36fcc01a88cc5f1d53b500a3b9d7047cc6864b6712b73aa70165333e2f59558e

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
Signatureg04Bi/mYhivsmrwxPdMwIHHnfoyr8aql5Aio27dDn/Plfonrjt1qTCedYZigvCkz39RNUozcS509F0EcXBXfCQ==
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

2026-09-17T10:23:02.434762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071988
observed 9c9ce793e644dbb04046a7e6bab6f120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.418434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071988/manifest.json
observed 36fcc01a88cc5f1d53b500a3b9d7047c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.400875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071988/publication.md
observed 5229a7cb0ab4d5590d232c97504240e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.384036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071988/publication.txt
observed b45a4b5351e0d65b262512aeb7067c1c...
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.