OpenTechnical

OT-2026-000088622

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088622) never changes.

Identity and time

Publication numberOT-2026-000088622 · never reused
Internal UUID01a0ae9b-8f0f-7a9f-862f-ce1b1f68bb98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088622
StatusPUBLIC

Content hashes

Canonical text70c5496a8ee52c01ba64c12aad7894d5d52d9b4197d530aa75e807239c1d0adc
Markdown547c17da0bca12ab44a0ada6d9943883a4f01668b0605d2138d16a98de811553
PDF
Publication page2e4056b982f0c0666ba30e00635d02ce2f9ec7cd4a05dbecbfe04fb9b6f96133
Manifest58490a76ade60223d6bd75a44de3cb2cc19c9f98a43284de7f064031ce8ebdbb

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
Signature0jB453FD01dWT1jrZd86NYeDaQ2WzHR40cIQ/kINL0JhaiDK+5UQ5ltp6ZeGlVsuktC9Yu6s7/1llWLcE0lQDQ==
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

2026-09-17T09:47:50.008918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088622
observed 2e4056b982f0c0666ba30e00635d02ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.990321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088622/manifest.json
observed 58490a76ade60223d6bd75a44de3cb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.971940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088622/publication.md
observed 547c17da0bca12ab44a0ada6d9943883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.953339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088622/publication.txt
observed 70c5496a8ee52c01ba64c12aad7894d5...
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.