OpenTechnical

OT-2026-000049524

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000049524) never changes.

Identity and time

Publication numberOT-2026-000049524 · never reused
Internal UUID01a0ae81-8f7c-76e2-a99f-2c7b2f1e84f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049524
StatusPUBLIC

Content hashes

Canonical text3b876c3faeab4feef0ec4866d128a0a3851d8319ad291a28a67a1e88441812cc
Markdowne0aed7b901ccb9ab0cb1a4415902d1db813c3dd7f43059cb49cc0fe28c2d28bf
PDF
Publication page7798e84af8497871504ae67590afea47834f1f87f3a66dc482bdbd969194405e
Manifesta5acb7584805ecd24ccdc29033c2cb334d6325eb9151374137efb4bc468a8742

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
SignatureVPo13/TEWM1k/ncP7n4K9JTZuKAU8jXuNj1xeOLqzDT1oWS7c2tgn6QK3+FLra+wQDMxmCm8ttVosLrQh314BQ==
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

2026-09-17T11:02:23.096288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049524
observed 7798e84af8497871504ae67590afea47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.077032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049524/manifest.json
observed a5acb7584805ecd24ccdc29033c2cb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.058472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049524/publication.md
observed e0aed7b901ccb9ab0cb1a4415902d1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.037875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049524/publication.txt
observed 3b876c3faeab4feef0ec4866d128a0a3...
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.