OpenTechnical

OT-2026-000085940

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000085940) never changes.

Identity and time

Publication numberOT-2026-000085940 · never reused
Internal UUID01a0ae99-e82a-77e1-8123-9f9f49149796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085940
StatusPUBLIC

Content hashes

Canonical texta187f06824da5fba6a422ddd17a1140b760538d4ac09c0612f8bdefb4136839b
Markdown5333150f19d5c0c1d13b58ce71dbb2e52a72c4317848be75a0d2716a28646f82
PDF
Publication page86b1c5d5406abbefd9fb978baa9427a427c1c2ed563c8f79e1cf695e13f0778d
Manifestd64734d1b413ea275826260e984cc4b761ab16902a77b89ac2ff0ebc0ee14ea2

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
Signaturehnpi+59Wjo3Rtu7m8kT40MCOufPZTic19hRiB6OfcHaC9LuHW1xPZrkQttXX9drK1yDZFOWDaOuEhLD4Mur1AA==
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

2026-09-17T09:52:53.816915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085940
observed 86b1c5d5406abbefd9fb978baa9427a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.798390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085940/manifest.json
observed d64734d1b413ea275826260e984cc4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.778368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085940/publication.md
observed 5333150f19d5c0c1d13b58ce71dbb2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.759540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085940/publication.txt
observed a187f06824da5fba6a422ddd17a1140b...
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.