OpenTechnical

OT-2026-000075471

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000075471) never changes.

Identity and time

Publication numberOT-2026-000075471 · never reused
Internal UUID01a0ae93-f201-7221-b04d-9bf355e57364 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075471
StatusPUBLIC

Content hashes

Canonical textfd05665b000c6cb0328347f796cfa0c8c2fce633390db685b5b1a53f9f545425
Markdownc851b2b7ec6fa289dabd68bb09a0d5889b332a935a2b2d8c7fa7fe6fac30f418
PDF
Publication page1ff305d99deb6b09782f2d276d4e32489a0060ec399da7bacd08e2cf4a85dc2c
Manifestf8a55a7722d64c9985c9af824488ddaae2b15da89d03fff25f3ed31f90979348

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
Signature3LBf9EDR4sEuUmkvAgdoISglw2zgFUsHDgPOZwVzy8E678iZem4nch+j89jkoahS5YpzukolwHXU5UzXBFzhBg==
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

2026-09-17T10:17:46.533804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075471
observed 1ff305d99deb6b09782f2d276d4e3248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.515178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075471/manifest.json
observed f8a55a7722d64c9985c9af824488ddaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.496451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075471/publication.md
observed c851b2b7ec6fa289dabd68bb09a0d588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.477435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075471/publication.txt
observed fd05665b000c6cb0328347f796cfa0c8...
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.