OpenTechnical

OT-2026-000077943

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000077943) never changes.

Identity and time

Publication numberOT-2026-000077943 · never reused
Internal UUID01a0ae95-2ed1-7c30-acf2-775d57661fa8 · 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-2026-000077943
StatusPUBLIC

Content hashes

Canonical textd283435fd2577a892626233833b8c0588bb3c0c6bac68e869624452bc6e61bf3
Markdown4262282d03563bedee911d2a7a12f40302bc369a0fdeffe8aa153a0c29d349cf
PDF
Publication page61e367411375bb19ba1d2c08c7ab7b6b62e7fd347a2ff094be2732fd3734fc60
Manifest0353486a5bf1dcee776743898738418deb3b3d9a6c7129136d39c6d21f3293f9

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
SignatureAX7ae7Gt6jyKBvJx48EzjtG9VwRLuel8UwTyD/h7RCTNPX/ymFhvrddiULA6Ur1G/ksZpGD+iBeAwAGdeWlcDQ==
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

2026-09-17T10:10:16.694118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943
observed 61e367411375bb19ba1d2c08c7ab7b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.552684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943/manifest.json
observed 0353486a5bf1dcee776743898738418d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.533700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943/publication.md
observed 4262282d03563bedee911d2a7a12f403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.511378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943/publication.txt
observed d283435fd2577a892626233833b8c058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.438510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943
observed 61e367411375bb19ba1d2c08c7ab7b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.420927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943/manifest.json
observed 0353486a5bf1dcee776743898738418d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.401369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943/publication.md
observed 4262282d03563bedee911d2a7a12f403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.382715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077943/publication.txt
observed d283435fd2577a892626233833b8c058...
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.