OpenTechnical

OT-2026-000080687

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000080687) never changes.

Identity and time

Publication numberOT-2026-000080687 · never reused
Internal UUID01a0ae96-b973-7f88-aade-40a65cdedfea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080687
StatusPUBLIC

Content hashes

Canonical textf47b8f3bcc85c1d9172efd3a2913421718e3a9570350a3cc819fc49e0693c38f
Markdowncceb8d594465c7c0ae0884fefbb13ebd443e468f5426a0d500979a081a1d313b
PDF
Publication page0390e33cc189dba437c0ee0fb2b9583734bf11b62709036c4ac9d38a0b2ce543
Manifestbf4ee46d1c6a31aaf61e0c4a1d9842834998d40cb025796dd275f4fa871c3320

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
SignatureY6p0qDvEN5MSTY2i4ZO4sUgc9umKESL8HBFZXu8VkthCQqXa6dAPvlKooM1Xlwn+LMg8UmA7AeA37ohwOCX9AQ==
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

2026-09-17T10:01:43.203310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080687
observed 0390e33cc189dba437c0ee0fb2b95837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.186011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080687/manifest.json
observed bf4ee46d1c6a31aaf61e0c4a1d984283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.167520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080687/publication.md
observed cceb8d594465c7c0ae0884fefbb13ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.149850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080687/publication.txt
observed f47b8f3bcc85c1d9172efd3a29134217...
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.