OpenTechnical

OT-2026-000079990

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000079990) never changes.

Identity and time

Publication numberOT-2026-000079990 · never reused
Internal UUID01a0ae96-4377-7429-a4a8-280a1e872bb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079990
StatusPUBLIC

Content hashes

Canonical textceaf97c2663abf2059ab3fade591bbc0bc1353fafe0e3e187744e9318995708f
Markdown57b041ee152063280dbe264eb7c2e0b11e01bc9b10e09b01a9f8b38cd7718c23
PDF
Publication page5ec81b0dcbf204596a98a60efb26f1624d0219e8df84f2acc88b6b2f8225131b
Manifest02b9c7ffda91c0687ff3e2854fcb40bde7e566358479277af8e936f6753f43c8

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
SignaturecZ2Uf6iBppg7t9GtNihZ+S9Q4MZH5WIBIZQfhCJiBa4662I8vGowy7UTnHdWHHpdcPZpozhbxvpgQ03uGb17Bg==
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

2026-09-17T10:03:25.197279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079990
observed 5ec81b0dcbf204596a98a60efb26f162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:25.178472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079990/manifest.json
observed 02b9c7ffda91c0687ff3e2854fcb40bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:25.159999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079990/publication.md
observed 57b041ee152063280dbe264eb7c2e0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:25.117669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079990/publication.txt
observed ceaf97c2663abf2059ab3fade591bbc0...
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.