OpenTechnical

OT-2026-000026960

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000026960) never changes.

Identity and time

Publication numberOT-2026-000026960 · never reused
Internal UUID01a0ae72-3452-74f4-a8ea-61e1843bdf77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026960
StatusPUBLIC

Content hashes

Canonical textc0148ae3c11845b2316a912294545cde18a4149afe8adc5874d9bb46e96f128a
Markdowne8c2c844531e538a0e7dfe5085925c62c0a8eec21c9a18c1a87cc8662fb96f05
PDF
Publication page3a4f1c6073a655a1756b60750b9c15b7abb99907972ead4f8d7d3479831e771e
Manifestf6dd60db20d04d233d43cc90bcda8d18957025feddf3ff6aa3578fc6cb8acf68

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
Signaturey0h/mEFbS5B0UvPAH8/ULNn5nkrrRXkszaxIEJuOxBO5wzSR5+WhtMn1T9dtyras7i/4AVQW6dDDC3qf8+pWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:34.932482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026960
observed 3a4f1c6073a655a1756b60750b9c15b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.914431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026960/manifest.json
observed f6dd60db20d04d233d43cc90bcda8d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.897979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026960/publication.md
observed e8c2c844531e538a0e7dfe5085925c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.884050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026960/publication.txt
observed c0148ae3c11845b2316a912294545cde...
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.