OpenTechnical

OT-2026-000016544

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000016544) never changes.

Identity and time

Publication numberOT-2026-000016544 · never reused
Internal UUID01a0ae6e-2d13-7f2c-be5e-7d2f21b2cf40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016544
StatusPUBLIC

Content hashes

Canonical textdc1b0ca727925712754c8febff116c9db3a58c9e8965d926ddbbed299e7a7efb
Markdownd4a7763b91e2d1d7c870a6fa0e841883e58236af288e9aa8b44a55a5ad109a6d
PDF
Publication pagebfad3962ae05bb0f4401e9194410ff1d7d547c8bb207ce5c7797009cef6fd74d
Manifest37fdaae13e9bfff82b1549d757354dfcd783f5b0ee76b867f5b172bb8fdeed0f

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
SignatureCVjhYKErZJANRjE05TT4Cvw+JVrB5gNAmrXxv3ZrdNqcnblsY/PeH5Yoece4Bl7oGo/Zh9OQX7+7PW83fiAWDA==
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

2026-09-17T12:04:46.058013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016544
observed bfad3962ae05bb0f4401e9194410ff1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.037926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016544/manifest.json
observed 37fdaae13e9bfff82b1549d757354dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.018588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016544/publication.md
observed d4a7763b91e2d1d7c870a6fa0e841883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.000754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016544/publication.txt
observed dc1b0ca727925712754c8febff116c9d...
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.