OpenTechnical

OT-2026-000005735

Publication integrity record

Bellows cup vacuum gripper, four zone face, two stage ejector, vented after 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-2026-000005735) never changes.

Identity and time

Publication numberOT-2026-000005735 · never reused
Internal UUID01a0a943-12ed-7bd1-ac06-087307036717 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:00.400917Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005735
StatusPUBLIC

Content hashes

Canonical text7fb60efed1acabc51baf9f532e18776310fb466ee6881320a7c9a8d123dae6e9
Markdown9e14cdbd98bd5a53f8a853e5570f2c28fcd532c286a1e7f22b643062644d229b
PDF
Publication page80c4ee34b4f9a3e29ad41b3e7bd91104ea77ac7923596bff8e16836caecd7201
Manifestfa64146fa727fc70786f4178d9f183feca9ffffd6f9efd4cd668439a87ab7d27

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
SignatureIs/Vn5cMN7HK2qloX2q8RuFaRhGKzE6o123TtDHg4twgNemXivBoU5PBb+dNmd3N/fgezo3UN+EkNtx53Ut5AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:05.915633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005735
observed 80c4ee34b4f9a3e29ad41b3e7bd91104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.902686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005735/manifest.json
observed fa64146fa727fc70786f4178d9f183fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.889124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005735/publication.md
observed 9e14cdbd98bd5a53f8a853e5570f2c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.874433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005735/publication.txt
observed 7fb60efed1acabc51baf9f532e187763...
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.