OpenTechnical

OT-2026-000061272

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000061272) never changes.

Identity and time

Publication numberOT-2026-000061272 · never reused
Internal UUID01a0ae8b-1383-75f3-8f2e-ae5becf1b126 · 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-2026-000061272
StatusPUBLIC

Content hashes

Canonical texte0335bbfe4908014d079c8bad25134fa0c1efa730fea4243b99e880f8e9204ac
Markdownde7118ced81ff8fe381d0dde2b6ca5034d8733d0a34ba62012138aeeef96e08e
PDF
Publication pagec36b17c00cc642314e4491e97c5dc14ddac03617cc70ba812610fc7d3bb6f9ca
Manifest6f267e49e88c25d86193eccbd554611d847643627f836fd8a2c9abdecce701ee

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
SignatureiXq7JyWY7RNIJC/am1hRJdoS7JvLvEmMsALLUMuL+SSbWA0zg523VKr5thBjKGPvDqexaUYMgbc4y3kquGDMAA==
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

2026-09-17T10:42:41.590465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061272
observed c36b17c00cc642314e4491e97c5dc14d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.570347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061272/manifest.json
observed 6f267e49e88c25d86193eccbd554611d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.551646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061272/publication.md
observed de7118ced81ff8fe381d0dde2b6ca503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.532728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061272/publication.txt
observed e0335bbfe4908014d079c8bad25134fa...
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.