OpenTechnical

OT-2026-000084967

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000084967) never changes.

Identity and time

Publication numberOT-2026-000084967 · never reused
Internal UUID01a0ae99-43b7-7f22-8eb4-61e634d7fb42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084967
StatusPUBLIC

Content hashes

Canonical textedf636d49f7d8a1e51122d0497e404f83c07c55def74cb9e5b54dbb5212d6a13
Markdowna7d40e0b2d551bf002522c7ae8f5b96f7686de4a40fc7d87d968023b589205e5
PDF
Publication page5a5c51aa1a887b3ffbd05668316351e82a5bc14bc77b1440e788f7778efb3223
Manifest6053b021f998623ccb702dc0ff496e696db4399ca1b90efc99571ba8f380abb9

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
SignaturewvM7Tw5fDzXc3w525V8DKeyeRZ78HbPQA1DXaZLMYNBzXJ8lVs4vEomO6KIP9UMFU2r1evlkONlgBe3W6G7PDw==
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

2026-09-17T09:54:57.919569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084967
observed 5a5c51aa1a887b3ffbd05668316351e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.901494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084967/manifest.json
observed 6053b021f998623ccb702dc0ff496e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.884818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084967/publication.md
observed a7d40e0b2d551bf002522c7ae8f5b96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.868586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084967/publication.txt
observed edf636d49f7d8a1e51122d0497e404f8...
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.