OpenTechnical

OT-2026-000088603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000088603) never changes.

Identity and time

Publication numberOT-2026-000088603 · never reused
Internal UUID01a0ae9b-8f0f-78da-adc5-b6adde991102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088603
StatusPUBLIC

Content hashes

Canonical text8042a19c245ec7038d5518337bb6d9c910051a28d5fdfdb48bdf41bd1218f547
Markdownc5dec3ccc8cc1abdf5354e5798e8a188177fd6bcb39fc4bc808fbd39bb782a0c
PDF
Publication page8bd1f6b2565b4445191058c334b1bde017aae67586594284de1de31055f9db41
Manifestbe41b100755aaa0a9077149a223c0aa847608c437fdc75fc7b175fffe645b035

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
SignatureDOHF8qWs8b+TLvk5Rr/xApnKBfMBhjyJcFx94IGqB7tqKt+dJrbt9AzOo6DCnwBmiSceIowurQO2OiNU+pR8Ag==
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

2026-09-17T09:47:48.450789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088603
observed 8bd1f6b2565b4445191058c334b1bde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.433567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088603/manifest.json
observed be41b100755aaa0a9077149a223c0aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.414849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088603/publication.md
observed c5dec3ccc8cc1abdf5354e5798e8a188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.395737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088603/publication.txt
observed 8042a19c245ec7038d5518337bb6d9c9...
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.