OpenTechnical

OT-2026-000048791

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000048791) never changes.

Identity and time

Publication numberOT-2026-000048791 · never reused
Internal UUID01a0ae80-c32d-7c4e-a61b-cba8c00424b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048791
StatusPUBLIC

Content hashes

Canonical text057f7ef0c997515d44b170dd22098d4d07a5e7f9ce27dc1881249720d51e10de
Markdown70511c36469203a3bad727b99022605df218b1ab410ad77b180b215c8303c0ee
PDF
Publication page367cfadc904f626997e3f775f8bddc2a6a2b4ae3fe30c3520820c2e8cb5f1b3e
Manifestfb2482792b5347ae68273733ba19fdffa47234d901ba2712acbab7d32ae4bfcc

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
SignatureeR8tzt71UUhYVJXNCoh0+CLxl9k1GXoy4sTdXqJYlu1EgzaGysKovV30RPMRsHeddWiPFLrJE9WXabFS08fiBQ==
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

2026-09-17T11:04:29.954970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048791
observed 367cfadc904f626997e3f775f8bddc2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:29.931806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048791/manifest.json
observed fb2482792b5347ae68273733ba19fdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:29.909740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048791/publication.md
observed 70511c36469203a3bad727b99022605d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:29.887518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048791/publication.txt
observed 057f7ef0c997515d44b170dd22098d4d...
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.