OpenTechnical

OT-2026-000097838

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000097838) never changes.

Identity and time

Publication numberOT-2026-000097838 · never reused
Internal UUID01a0aea1-92f6-7d77-837b-ea3f175bdc61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097838
StatusPUBLIC

Content hashes

Canonical text9d2406df8e40f5f35b72d262bbe2fde43d087c9a348535bbd2353164cd3f469a
Markdown112033cfe3fa5bbae0b35d2951c5c93737d09c1b4fb57a1876393cb5f9b3b9f1
PDF
Publication page4c2e79efbee690683befc86997cc010088111057b00ee2237d20175719b414ca
Manifestd1effbd86b38d2e0236a237893fb618aa864d0783290556ee3ebb10eb4b88d9d

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
SignatureovHOznU785AN9oVEkhh1wjkBmPnOead7vbIAFVF1ke95mEly6iZvISUPposqgcjjNse8X/Mzbeu9+1FmIGwMDA==
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

2026-09-17T09:32:56.349899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097838
observed 4c2e79efbee690683befc86997cc0100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.332045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097838/manifest.json
observed d1effbd86b38d2e0236a237893fb618a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.312467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097838/publication.md
observed 112033cfe3fa5bbae0b35d2951c5c937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.293721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097838/publication.txt
observed 9d2406df8e40f5f35b72d262bbe2fde4...
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.