OpenTechnical

OT-2026-000061368

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061368) never changes.

Identity and time

Publication numberOT-2026-000061368 · never reused
Internal UUID01a0ae8b-1385-7bea-a0d0-d345714fcaf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061368
StatusPUBLIC

Content hashes

Canonical text4b342fdb4986666ad300ce94053798fefe464049c01cc03de373ab12ecade531
Markdown57f1720f5fa28dece95166166fdd2694dd0e35e3c9206c1ef5801af4a8064467
PDF
Publication page34ac89fc61867d9881bc08bd790feae3981a9d62b3039831943db530ffdf005c
Manifest420bcefb10b60ce82b495bfc6a0fe03ec2fb18236e94d2df3e84bcc7436d87b5

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
SignatureJhZT7NWto4xNui/8MpUjsBTaQuVHGhUBuNei/+zh2uYYJu29EatNMa1EWVBI902J0pzepQhY8SzFFOCUDFInDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:49.176363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061368
observed 34ac89fc61867d9881bc08bd790feae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.157736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061368/manifest.json
observed 420bcefb10b60ce82b495bfc6a0fe03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.137637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061368/publication.md
observed 57f1720f5fa28dece95166166fdd2694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.120800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061368/publication.txt
observed 4b342fdb4986666ad300ce94053798fe...
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.