OpenTechnical

OT-2026-000089063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089063) never changes.

Identity and time

Publication numberOT-2026-000089063 · never reused
Internal UUID01a0ae9b-daff-7395-926b-0c4e6cc1fed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089063
StatusPUBLIC

Content hashes

Canonical textaff3438f9a10d24ec83182767d7eb9d22e982531563124e17536a913021aa222
Markdown23e1028ad29e1ed0e79c9323d4562a63bdf4664c92e96ca103689f06fbd4f89f
PDF
Publication page623a09ecd4b4cbd3fbf8d9025886b33258443d38c84f88b73e3fe9c51ead7468
Manifestab05f481f8b10ff54da7201868ea69259dee7357c817b7dcf0698a65be4875f6

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
Signaturek7qvvOTrJriHTmCu7p9RnuPDDB5iR5OU5v/uYafSKnGmxBuAdigIDX+rxHTfa1+SXr13BMvZqNsnLO3nQGT6Aw==
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

2026-09-17T09:46:57.795087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089063
observed 623a09ecd4b4cbd3fbf8d9025886b332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.778583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089063/manifest.json
observed ab05f481f8b10ff54da7201868ea6925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.762615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089063/publication.md
observed 23e1028ad29e1ed0e79c9323d4562a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.745012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089063/publication.txt
observed aff3438f9a10d24ec83182767d7eb9d2...
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.