OpenTechnical

OT-2026-000103773

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000103773) never changes.

Identity and time

Publication numberOT-2026-000103773 · never reused
Internal UUID01a0aea4-e463-7a30-96ae-221fc226516e · 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-2026-000103773
StatusPUBLIC

Content hashes

Canonical text389f5712781c59c8f96bf3296dde19dedbbd29a82142be98ce9e7563e1d5b4df
Markdownec8df78a8783439c17fe7e98f008c34a73036038e25f1c87974adc6dafdebb3f
PDF
Publication pagee8e6da843ab9bc95fe14b31575cee72b36349db362026479735b25dca08bfe88
Manifestab46de05ab57963d3708a67ca17db11214917e08860c8123dc76a47714e5010d

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
Signatureh3T/cqnTSKl/l7ar8VqLy1OcovSiQB5MVnizB7lxJ01d6G8LX5zC3mfyF7jHWw5TJPiymrU1tARJbOHBJfONDw==
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

2026-09-17T09:22:43.479989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103773
observed e8e6da843ab9bc95fe14b31575cee72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.463767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103773/manifest.json
observed ab46de05ab57963d3708a67ca17db112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.445879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103773/publication.md
observed ec8df78a8783439c17fe7e98f008c34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.430406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103773/publication.txt
observed 389f5712781c59c8f96bf3296dde19de...
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.