OpenTechnical

OT-2026-000089673

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089673) never changes.

Identity and time

Publication numberOT-2026-000089673 · never reused
Internal UUID01a0ae9c-1a22-7d15-a65e-090c896e391f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089673
StatusPUBLIC

Content hashes

Canonical texta578b4d808e72acb7d68604b5b6ec5de05826a24acced7e515ae64d80f9494ee
Markdown1a19f6ed90ed83466f7347cfabefbb489fcd03e9d52452943f325c46742080be
PDF
Publication page5caea817da8c048da2fd8b7d90bdd9a2f5127c6e952a3cf0448276badb949a91
Manifest5eac8f402063d0d2079a5f77603aac2b57352f5badbec080a2e43f1d16e1c06d

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
Signature1rTpKHEOdEQ+eNYxAOXHYayEURY4XbymdEGktOKW/8WngUVQo3rAUAU4KMnLa9om6pNl4fHeVju0A/9zyz45DQ==
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

2026-09-17T09:46:40.157324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089673
observed 5caea817da8c048da2fd8b7d90bdd9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.141207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089673/manifest.json
observed 5eac8f402063d0d2079a5f77603aac2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.124369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089673/publication.md
observed 1a19f6ed90ed83466f7347cfabefbb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.106132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089673/publication.txt
observed a578b4d808e72acb7d68604b5b6ec5de...
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.