OpenTechnical

OT-2026-000087693

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000087693) never changes.

Identity and time

Publication numberOT-2026-000087693 · never reused
Internal UUID01a0ae9a-cd54-75d8-a117-d93d9feaace5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087693
StatusPUBLIC

Content hashes

Canonical text9e4165631991b97c99fadf2c02eb681274e71bd5ceeaf35cfe96c9455c99b5a7
Markdown1c05766b8d22aae048b14cc1d7148daf2ca9cd1dbd0eed261aaf6b094b1b3419
PDF
Publication page27e5dd982cf1a070908ff26f36e5a3fc9d34b579774c711b020fac5e70532501
Manifest8107fd74b746804f900106d1befe9b76db016f4743b6f06fcbc1e4db5f7c18db

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
SignatureK1KGruZ7fT8lEn1PS2+E+ozGAPa4sAvAX+062tsdGKn/nkUxuzXnv1INdYRwRd15thuVct8XfYEtDIk3dckdCQ==
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

2026-09-17T09:51:08.532935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087693
observed 27e5dd982cf1a070908ff26f36e5a3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.517235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087693/manifest.json
observed 8107fd74b746804f900106d1befe9b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.499168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087693/publication.md
observed 1c05766b8d22aae048b14cc1d7148daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.482373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087693/publication.txt
observed 9e4165631991b97c99fadf2c02eb6812...
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.