OpenTechnical

OT-2026-000086880

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000086880) never changes.

Identity and time

Publication numberOT-2026-000086880 · never reused
Internal UUID01a0ae9a-80a4-7778-bdf1-caeb1899541a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086880
StatusPUBLIC

Content hashes

Canonical text17cc41906f453bb3d77ec0a18497f76a2e389aefe32731bb89a2d7edc755de8a
Markdownff118d2ce01cc90c9165c8f1e520d871046cf33d23e14b0cfe0b353b919c1b3f
PDF
Publication page55dd59f3240ceccabb5290ec8234aa2055077dbbd2cf4a2e3757a0d588099f40
Manifest8dbe2eb64dab756901ff173bdeaef0f1d6bb97fa814046aa7211e0433f2fbdc2

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
SignatureXHRjl8tb7q6Y83/4b/WpRniS83oFD+wRDeoGrJNjPAaLU/93f43z+3JunOhH4EfyZr2PycPSh2wBY7BfyNWfAA==
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

2026-09-17T09:51:43.520443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086880
observed 55dd59f3240ceccabb5290ec8234aa20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.503858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086880/manifest.json
observed 8dbe2eb64dab756901ff173bdeaef0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.484289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086880/publication.md
observed ff118d2ce01cc90c9165c8f1e520d871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.467667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086880/publication.txt
observed 17cc41906f453bb3d77ec0a18497f76a...
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.