OpenTechnical

OT-2026-000075087

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000075087) never changes.

Identity and time

Publication numberOT-2026-000075087 · never reused
Internal UUID01a0ae93-ac2e-7f33-a915-374a5793cacb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075087
StatusPUBLIC

Content hashes

Canonical texte3699f61e175f396f7724f9c30d556dd38cb8275cbbb60f6cc73814ada9d46df
Markdown16ca77061de484215cdf6eafc5fefe8c6a3460711602678c7afcd8c4c7a33e83
PDF
Publication page8c1a69a28e735d9619c2bcf267e3bd2d747865106a9a8c8235480826b8f8b5fc
Manifest16f744af4822103c6ffb8d9cc52a80bf92f353cbfe76577698eb343ef32fc06f

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
SignatureC320IioXWNUkx2UP6BIeP521Ma0VFg4dxv+mZwlyerHvzW+gjqpwxxnnDpn/wAQj27xDVjFC/beTtpKRKQvgCg==
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

2026-09-17T10:18:54.575540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075087
observed 8c1a69a28e735d9619c2bcf267e3bd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.558566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075087/manifest.json
observed 16f744af4822103c6ffb8d9cc52a80bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.541225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075087/publication.md
observed 16ca77061de484215cdf6eafc5fefe8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.525566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075087/publication.txt
observed e3699f61e175f396f7724f9c30d556dd...
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.