OpenTechnical

OT-2026-000082887

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000082887) never changes.

Identity and time

Publication numberOT-2026-000082887 · never reused
Internal UUID01a0ae97-8cca-7c82-a440-fcaa632e8833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082887
StatusPUBLIC

Content hashes

Canonical text9527e4c40bdaeaf2d2be900433762d44566e897adae8083336ffae83fd085879
Markdown0b302e907b4fd8b7aa0a18593f0ecb37f3208bde06ddae340a9d4d97f335bd34
PDF
Publication pageb1dc56883f3addce7cd6e9f9bf96329c1c3b307f07456b684098c010eb02bf2b
Manifest8dd33fbe414b1fbdad38371be4681f6caa79414a4255f5205d4482a17dcd5d04

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
Signature7QWV56QjlzctFI+ERwNZetQCOXp7BD/wMg2PpvHnDfKt4LEViTeIfOsa1uJQ+gxcXBW/OBGb5+fzoFDs01GQCg==
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

2026-09-17T09:58:34.298918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082887
observed b1dc56883f3addce7cd6e9f9bf96329c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:34.281523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082887/manifest.json
observed 8dd33fbe414b1fbdad38371be4681f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:34.265962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082887/publication.md
observed 0b302e907b4fd8b7aa0a18593f0ecb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:34.249476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082887/publication.txt
observed 9527e4c40bdaeaf2d2be900433762d44...
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.