OpenTechnical

OT-2026-000091830

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091830) never changes.

Identity and time

Publication numberOT-2026-000091830 · never reused
Internal UUID01a0ae9d-43ba-79cb-8c6d-03d03360c09e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091830
StatusPUBLIC

Content hashes

Canonical text251be3c10b53bbb7405370fa6d2c561740b4e8829527d70a6af7fc12307c357c
Markdownd888b24b860a1499e451a84ecd2b95a4864e3bf05dec98ddbe8f033074a14192
PDF
Publication pageb916211056641a095f0f8ed9306f2bf01ce793de4b82eafc90de36273ccbefa1
Manifeste539a99b3b037517b76ffaa3f39fe276a294e04f7c86799310fdea2dd8ccc846

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
Signature6sEODv0Q7zeQY+985xrhM9dUHxl21xmb8X4th92GWIsnicA0+GzUXIbA7RTP5XlF1ovwoxpWaquRwH0JfISGDg==
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

2026-09-17T09:42:44.744832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091830
observed b916211056641a095f0f8ed9306f2bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.729517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091830/manifest.json
observed e539a99b3b037517b76ffaa3f39fe276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.713949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091830/publication.md
observed d888b24b860a1499e451a84ecd2b95a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.696415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091830/publication.txt
observed 251be3c10b53bbb7405370fa6d2c5617...
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.