OpenTechnical

OT-2026-000083729

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000083729) never changes.

Identity and time

Publication numberOT-2026-000083729 · never reused
Internal UUID01a0ae98-0417-7b3a-9441-1e3efa0a5a69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083729
StatusPUBLIC

Content hashes

Canonical textfa5b0930a2494509b4048117cc1d92bfa4b11bcb8750bd7d3dd33f91f79dfbc6
Markdowne1b02bea00aca7e0a7e54a7f989d5ebe202f68091f12887954ba4d8807eb0836
PDF
Publication page90a3f2ba74debf8068546648e571f7defd5fa2bd722603f6dcefea1f547ecf66
Manifest3bd32ccc122961ca7f60bbed96803a668c3912cd2ac27e06e1218b27e02b36fd

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
Signature3y0Q3nZoSqjTgLrgGSD7auTrmgPa+eC1ZWZf6N8m+Vc9x+xC28ZiRQj4uiI9Px/WV/e3Q/K+pV3DH+L8DZQEDw==
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

2026-09-17T09:57:21.779340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083729
observed 90a3f2ba74debf8068546648e571f7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.763005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083729/manifest.json
observed 3bd32ccc122961ca7f60bbed96803a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.746145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083729/publication.md
observed e1b02bea00aca7e0a7e54a7f989d5ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.729616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083729/publication.txt
observed fa5b0930a2494509b4048117cc1d92bf...
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.