OpenTechnical

OT-2026-000078939

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000078939) never changes.

Identity and time

Publication numberOT-2026-000078939 · never reused
Internal UUID01a0ae95-ccbe-73fa-9595-998e4cc18f0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078939
StatusPUBLIC

Content hashes

Canonical text530c6d593c66df1b542ab758c73c34f5e07505e342f559f03441a5380addc485
Markdowncb2e791399912b531b08ad53dbb34a185032c451341b281c3141955db5f6b9ec
PDF
Publication page744fbc5151116b45629762668445650b71bac466cfded097d9d324cabda278d8
Manifest7330b5bf1c2ade51e187747239be32e6a09cb0f85df941b9bff955ebeb65b39b

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
SignatureBmMDkmo9PaOGCjK0qbldIYR4HoT7ZXS7EL7C5ZPkSGIu7JtLEeeccYxV51mjA8xl1VURrZT7EqJQ+PovlIbXDg==
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

2026-09-17T10:05:45.832547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078939
observed 744fbc5151116b45629762668445650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.812632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078939/manifest.json
observed 7330b5bf1c2ade51e187747239be32e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.794092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078939/publication.md
observed cb2e791399912b531b08ad53dbb34a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.775383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078939/publication.txt
observed 530c6d593c66df1b542ab758c73c34f5...
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.