OpenTechnical

OT-2026-000085873

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085873) never changes.

Identity and time

Publication numberOT-2026-000085873 · never reused
Internal UUID01a0ae99-e829-7c93-9aa4-459ee3f1e9a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085873
StatusPUBLIC

Content hashes

Canonical text3a97feda410d09d4ff74a13ef6659f80c0de486f714cf9a7d02039155eb9abb1
Markdownb6fd8bf179b883d0f445fd179a4c21c081b125a8ae4090e0ee5b16c82cd0d5d4
PDF
Publication pageffb03d5735fbd5dd2b8fe3d2eeae8ff92199897fad11a525224db044d88d9fe7
Manifest1f0472affcd2b76f5e8ecc9670ad3cb2baefee0e1cf963bd50376be5695ffc19

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
Signature6o1D4iQXESiug6YZoUJesBou+E74eKK2R1Oc2cti5LRbOPBY3DzawoizS372Tdv3pEwOF42uceVI6vwh0OarDA==
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

2026-09-17T09:52:48.602628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085873
observed ffb03d5735fbd5dd2b8fe3d2eeae8ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.586280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085873/manifest.json
observed 1f0472affcd2b76f5e8ecc9670ad3cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.537780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085873/publication.md
observed b6fd8bf179b883d0f445fd179a4c21c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.490780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085873/publication.txt
observed 3a97feda410d09d4ff74a13ef6659f80...
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.