OpenTechnical

OT-2026-000101604

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed blow-off after 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-2026-000101604) never changes.

Identity and time

Publication numberOT-2026-000101604 · never reused
Internal UUID01a0aea4-0e15-73e9-9f99-d6d4e423aad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101604
StatusPUBLIC

Content hashes

Canonical text18caa6c718b6196da727e8cbbc20f593ea124f622c17fb40babc9c125243ebd5
Markdowna28b950286d74b768ed4c78d5c130642f214f485f29c1b1c62527addeaaa5cbf
PDF
Publication pagec7b310920cf23b0469b25ded32c089df601124029a1b5f84f60470b18b574151
Manifestcfe2cff97a286df39812bcb74fb9b6c998b64213adabbfbf217b83732055446e

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
SignaturexOjzt2deXMamze47ZB8sPK0vkPOoB9v12ljPW/ylGAb54AzsqZWehtyowwyYBSjkdUOSSClJXgLnrlZt2o+mDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:42.866163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101604
observed c7b310920cf23b0469b25ded32c089df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.846924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101604/manifest.json
observed cfe2cff97a286df39812bcb74fb9b6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.827377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101604/publication.md
observed a28b950286d74b768ed4c78d5c130642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.809519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101604/publication.txt
observed 18caa6c718b6196da727e8cbbc20f593...
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.