OpenTechnical

OT-2026-000101516

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000101516) never changes.

Identity and time

Publication numberOT-2026-000101516 · never reused
Internal UUID01a0aea4-0e14-7e90-9d1e-412b48b1ea3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101516
StatusPUBLIC

Content hashes

Canonical textf55638f2b7e41d371551ca58ee0de034ebd2d7968073c8f97c4067c25f79a211
Markdown0c262d7e59b7e64ca228fe021580fd8810d3d3ef410514ac39aa16220fd9e81e
PDF
Publication page2d94fde71b535d0d04d7ae012f4b1a7197d2ec0a279c0c91b53d6988f1250771
Manifest9f39f775a0248c9cf8af4dfe7d8f2a8a06a061f9c2a282c98279abb2fdb108ef

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
SignatureEHdkM9QD+HFqDTrRIb9+wseWbePTGu8+8ilm0an8MbJdfiOO6cJs/5wxf54nsAwO6O/YvKC8wj1IKewIdZlOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:00.597814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101516
observed 2d94fde71b535d0d04d7ae012f4b1a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.579758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101516/manifest.json
observed 9f39f775a0248c9cf8af4dfe7d8f2a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.560282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101516/publication.md
observed 0c262d7e59b7e64ca228fe021580fd88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.540879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101516/publication.txt
observed f55638f2b7e41d371551ca58ee0de034...
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.