OpenTechnical

OT-2026-000081158

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081158) never changes.

Identity and time

Publication numberOT-2026-000081158 · never reused
Internal UUID01a0ae96-b977-7528-91f3-191bf95ef5be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081158
StatusPUBLIC

Content hashes

Canonical textd0f649a27b6514dbe880aa7ed5cbc0bd63d383b52ac13cb856de0f4b4cb1091e
Markdown9eaa7163591e27727064d6276922f44ba2464904bf46d364d4e00afd9fed6d92
PDF
Publication page7be3cb9ffe661b106efc4dbed2ca97cb2c7c3de29e4a459fbd523aaf343eff66
Manifestc2fe2200cfa0da5deed49a8e2ef2c34e26f3305ebc8317e22bb445463b60acdc

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
Signaturee8w8Lu3TZeQuIJbTlpPwY7dqGtrlfSeIq997dpFrEFmkGSoKNos/xdfL+YAgg3KO4Uv8/nAox6/7RbxQxsw/Dg==
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

2026-09-17T10:02:33.064128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081158
observed 7be3cb9ffe661b106efc4dbed2ca97cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.048296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081158/manifest.json
observed c2fe2200cfa0da5deed49a8e2ef2c34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.030212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081158/publication.md
observed 9eaa7163591e27727064d6276922f44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.010858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081158/publication.txt
observed d0f649a27b6514dbe880aa7ed5cbc0bd...
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.