OpenTechnical

OT-2026-000055278

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000055278) never changes.

Identity and time

Publication numberOT-2026-000055278 · never reused
Internal UUID01a0ae86-a100-76f5-b51d-78a86eb88fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055278
StatusPUBLIC

Content hashes

Canonical text43715616fe14aee4db6bcd6ee1ff6585efc8f3f617b9ce6e8c890958b9d237b2
Markdownc58e85d16ce3d20147cefedc96dda1b199424b977239716ec0fa60ad05d3eb8e
PDF
Publication page7c0d1d8789d5e57ae100312650ab6ddab8c086b9a365639ee8d32c0e96140180
Manifestdfbd2ebe7f517ca1964763e1e14b150fed131635c03a57f319361cb8c322a809

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
SignatureUvUEaTZnsv102WQMk9Ze4hQ/WtmYNsgm/wSDlFAObU15dDcHByeyw1VvLahvzygd8Z95298Wmf4yMTZZwQ6sAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:52.299350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055278
observed 7c0d1d8789d5e57ae100312650ab6dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.282915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055278/manifest.json
observed dfbd2ebe7f517ca1964763e1e14b150f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.265552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055278/publication.md
observed c58e85d16ce3d20147cefedc96dda1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.248843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055278/publication.txt
observed 43715616fe14aee4db6bcd6ee1ff6585...
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.