OpenTechnical

OT-2026-000026683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pulsed 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-2026-000026683) never changes.

Identity and time

Publication numberOT-2026-000026683 · never reused
Internal UUID01a0ae71-f4aa-7f4e-a3b2-ee33631a514e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026683
StatusPUBLIC

Content hashes

Canonical text3d33cfa78148a5ef247e44141cc14b1a7ab099e25c7a246b4561654e643bd923
Markdown5a270fc139578b2afd0a0d665a7dcf77b3a4ec9e9fa7196fba6600f34fa1740c
PDF
Publication page43376850381ae5e3fe71ad4aa90eaf27be0aafb650b327fc4138574ad47f6b84
Manifest7cdbae8e9f48c18f52ef265009b38640645a866b68f84fc3c43d2324715a9fb2

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
SignatureozBR9zoknsBqIbaclZHJ/X48wa6Qu/BXsfEUwN2JEBwA4DQayo93GxDaBHNKMX0ZjvgfEymHzRJ7XDWSCIysBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:46.203726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026683
observed 43376850381ae5e3fe71ad4aa90eaf27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.186872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026683/manifest.json
observed 7cdbae8e9f48c18f52ef265009b38640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.169933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026683/publication.md
observed 5a270fc139578b2afd0a0d665a7dcf77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.154072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026683/publication.txt
observed 3d33cfa78148a5ef247e44141cc14b1a...
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.