OpenTechnical

OT-2026-000080723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000080723) never changes.

Identity and time

Publication numberOT-2026-000080723 · never reused
Internal UUID01a0ae96-b973-7e8f-a2b5-0eb54ebf4c51 · 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-2026-000080723
StatusPUBLIC

Content hashes

Canonical text676541fd402891eae9e03dec356ea08f61fa5a6a8747331a91ba0efa378a0a6d
Markdownfa1880a06f0cc5806db809cc8f5b27d59a13dc65e0b6df3c5b9003cfa04d434a
PDF
Publication page423811039fe14aaf439a32dd2dd505bbad1a57de320fbcd779f68321a835acef
Manifest357c9798d8857f4e4ebb224ac2284b3f6f8889d37fb492857339ae4d58630d12

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
SignatureDLR0Bl8N6KQ+2/Woqix6Xh0jiTJVP8PRdh06xIhX2p2PfGlWgRrrW3DhFwRxDtr/+ZRQiyzXDqOEakzUR8lsBg==
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

2026-09-17T10:01:45.611408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080723
observed 423811039fe14aaf439a32dd2dd505bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.593585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080723/manifest.json
observed 357c9798d8857f4e4ebb224ac2284b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.573593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080723/publication.md
observed fa1880a06f0cc5806db809cc8f5b27d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.554553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080723/publication.txt
observed 676541fd402891eae9e03dec356ea08f...
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.