OpenTechnical

OT-2026-000078027

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078027) never changes.

Identity and time

Publication numberOT-2026-000078027 · never reused
Internal UUID01a0ae95-2f44-7a82-a67c-4d6305e7f45d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078027
StatusPUBLIC

Content hashes

Canonical text6b7cc4b8e5718c1db357a68693d938e5484036861897673e777ce0e03d489644
Markdownefcf72d432b02ff486c803207c9b0e46665913f2e29210d4398522908deb519a
PDF
Publication pagef1dd461269c46a19ff9cd4e3e71cc5c2da5ae247c204586d3e24ce34701fd82d
Manifestf74e4c376144aa2d5ef2f9a01f95bbbc187475a76907d94769f0a4272153abdb

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
SignaturevalR1fWYLU8Gu46A3ldRlq75s4AAJWqknLlYWpMwGRXqeWX1zcScZImOFF8SaDJ8yf4YfXxZTCBPml8HnyRPDQ==
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

2026-09-17T10:10:43.502144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027
observed f1dd461269c46a19ff9cd4e3e71cc5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.481542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027/manifest.json
observed f74e4c376144aa2d5ef2f9a01f95bbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.461953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027/publication.md
observed efcf72d432b02ff486c803207c9b0e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.438434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027/publication.txt
observed 6b7cc4b8e5718c1db357a68693d938e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.062416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027
observed f1dd461269c46a19ff9cd4e3e71cc5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.044069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027/manifest.json
observed f74e4c376144aa2d5ef2f9a01f95bbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.024169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027/publication.md
observed efcf72d432b02ff486c803207c9b0e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.003583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078027/publication.txt
observed 6b7cc4b8e5718c1db357a68693d938e5...
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.