OpenTechnical

OT-2026-000091486

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091486) never changes.

Identity and time

Publication numberOT-2026-000091486 · never reused
Internal UUID01a0ae9c-f16d-7feb-976e-80435ad585fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091486
StatusPUBLIC

Content hashes

Canonical text25f83a37bc299b66d7bd30b3ed46e66a1b1faacc0817bcbb033ea9f8472211a6
Markdown62056e248d089b938f73ddb1bc46e0abae5d612c5f5a6ddd6d3723eae8cadfef
PDF
Publication page1ce29a0cf204907708d84de43203615d53d24ff25e798565a0650054a6f11fdf
Manifest6c9e2e51f02de20d2ad3cc340e8a4eff9c314dd61d70028662066949b1cd2805

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
Signaturefo+NtVLHJA4OTrEJfWhZ/VrgjRNGnGQOYCgQRWgPOhP6dAEx9zEzXKDBJ6+N45hrP505bCokUy4iAu5dAAMkDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:44.430748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091486
observed 1ce29a0cf204907708d84de43203615d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.413791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091486/manifest.json
observed 6c9e2e51f02de20d2ad3cc340e8a4eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.395918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091486/publication.md
observed 62056e248d089b938f73ddb1bc46e0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.376812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091486/publication.txt
observed 25f83a37bc299b66d7bd30b3ed46e66a...
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.