OpenTechnical

OT-2026-000086055

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000086055) never changes.

Identity and time

Publication numberOT-2026-000086055 · never reused
Internal UUID01a0ae99-e82b-727a-a576-07e35a826f8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086055
StatusPUBLIC

Content hashes

Canonical textf2d4dc85eb982edae5c9490d06a0c760ca00b1b6d09caaa4bcb4d4aae7939669
Markdown5e6c03fcc1ef30f3989587e21f9e796dde064b7a2ebe4e17a139d9954c6aa269
PDF
Publication page0cd006c40dd50dff340cb3e1bc4c72a4ad38a4d35a6a92e7d81ea06ce805ca1e
Manifest69b36e4873fb4e24a2c69d0cb2670bdd6ef20b14a059b1d80a4a22f02020322f

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
Signaturekpyp971ZUwRxDD+CDDDO0780CE1QrdL3/IR6IU8s4/qTa9caBXn2J5j+pkqUS5f43EWoqYR1za/7X4m6+lpQCQ==
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

2026-09-17T09:53:03.077198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086055
observed 0cd006c40dd50dff340cb3e1bc4c72a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.061680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086055/manifest.json
observed 69b36e4873fb4e24a2c69d0cb2670bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.044480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086055/publication.md
observed 5e6c03fcc1ef30f3989587e21f9e796d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.012078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086055/publication.txt
observed f2d4dc85eb982edae5c9490d06a0c760...
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.