OpenTechnical

OT-2026-000009375

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, sustained blow-off after 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-2026-000009375) never changes.

Identity and time

Publication numberOT-2026-000009375 · never reused
Internal UUID01a0ae6b-7561-7731-b9fb-dbc40e6e164b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009375
StatusPUBLIC

Content hashes

Canonical textaffe6722afdaca0792ab2838e4bf0d2623461f5407e42f7e4722b0b3b5b092eb
Markdownc43b53a7b8f1009b81758271c437528ace483ed46567bba3f9977a36f70b2024
PDF
Publication page652a5fe847cc6cbd70a8c5cf5949527a583f53d1b913d1715cf94ba415809988
Manifestf7b1b131ad19cb1e6f5804efec9e4baef9267f6e42dcdcfba52ac3a2b25504a3

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
SignatureLLGsodKfowwqgalKmm9lg68zGVMrJnCPKCvgDTJius3x03pVoTPL4p/U9OJWqPm8j7CB2oaYvXvzpowa34wzCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:38.773809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009375
observed 652a5fe847cc6cbd70a8c5cf5949527a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.756408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009375/manifest.json
observed f7b1b131ad19cb1e6f5804efec9e4bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.737721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009375/publication.md
observed c43b53a7b8f1009b81758271c437528a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.718089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009375/publication.txt
observed affe6722afdaca0792ab2838e4bf0d26...
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.