OpenTechnical

OT-2026-000095138

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000095138) never changes.

Identity and time

Publication numberOT-2026-000095138 · never reused
Internal UUID01a0ae9f-8f6e-7de2-b559-8fbe83a470ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095138
StatusPUBLIC

Content hashes

Canonical text40478dbc92847102af183f394c4a4366dfe01225708e28e68557149720c64f3c
Markdownb4213406b5ba6b94ce22a1b2ce469403347c202c014c47deb3860b83ce227e1c
PDF
Publication page9af380a8867b11ed0685c55f00399da92beebbc25cc28476e139057f3598eb2d
Manifest8bffdb12f35319976de5e52a1966eb851382c6f8eb3e30383bd2a2355151d115

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
SignaturebTarcsLkhuJNhbIakKH2eU9HNqSWEAjn2NSMOUjwj3Rq85MJHHk+TR4tT0ka11RrbvL7AL+mMsyy2F71s6+XDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:26.112455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095138
observed 9af380a8867b11ed0685c55f00399da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.093706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095138/manifest.json
observed 8bffdb12f35319976de5e52a1966eb85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.075347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095138/publication.md
observed b4213406b5ba6b94ce22a1b2ce469403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.056164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095138/publication.txt
observed 40478dbc92847102af183f394c4a4366...
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.