OpenTechnical

OT-2026-000103461

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed 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-2026-000103461) never changes.

Identity and time

Publication numberOT-2026-000103461 · never reused
Internal UUID01a0aea4-e460-759d-9c2f-a919600e2951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103461
StatusPUBLIC

Content hashes

Canonical textb35da1df06f8f39def2eba165800c09d98d2a57be73cc809e4b91bab89d27a17
Markdownfc5602da784e1571f9b917f803adc555fa0ec6f24ec101c1862ae34e3fef9bd5
PDF
Publication pageabfac9bf9c2833214a4c9644f4e9c788e906a08ede2d7cd87b437e122abb2a29
Manifeste14eb64254ccaa24aef30157d4e6efb857f2bffbe9891739a0bd9cd8a40c7ffb

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
Signature9QJEqhGO33f2akDNd0v7IBdcE+i69szIz68ODGWWbdo0jXGIWeZvTaxbUqYSvKVGs637AmX9nT9X6GiqxwD5CA==
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

2026-09-17T09:22:13.108064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103461
observed abfac9bf9c2833214a4c9644f4e9c788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.086507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103461/manifest.json
observed e14eb64254ccaa24aef30157d4e6efb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.069013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103461/publication.md
observed fc5602da784e1571f9b917f803adc555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.051330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103461/publication.txt
observed b35da1df06f8f39def2eba165800c09d...
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.