OpenTechnical

OT-2026-000078353

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000078353) never changes.

Identity and time

Publication numberOT-2026-000078353 · never reused
Internal UUID01a0ae95-7c27-7038-b47b-4761d1cdca20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078353
StatusPUBLIC

Content hashes

Canonical textd2f15b1aa6336699214403c2e003ae38db84c7bf7059dff705ca8465653fe568
Markdown824f224204f0aad801ed202fb60af6c724f008407f11af903fd90d0c243afada
PDF
Publication page510c07d7ee6b9f54e8bccaac4e266ef09d0dadf16a99574cda61576ad50219b2
Manifest35f20dc8cb8eb84823dcf698104139804240a680609bf6bd32086adb9f748b56

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
SignaturexkEQiJoFmVYJXJAQYoPQdH4ypu/m/ukBneuysJWgZqcvNzCAiizztKSVB2FZmX27BasCfi2WOsLX19uUjq+gAQ==
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

2026-09-17T10:06:19.391623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078353
observed 510c07d7ee6b9f54e8bccaac4e266ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.373903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078353/manifest.json
observed 35f20dc8cb8eb84823dcf69810413980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.355980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078353/publication.md
observed 824f224204f0aad801ed202fb60af6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.336217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078353/publication.txt
observed d2f15b1aa6336699214403c2e003ae38...
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.