OpenTechnical

OT-2026-000098261

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000098261) never changes.

Identity and time

Publication numberOT-2026-000098261 · never reused
Internal UUID01a0aea1-e964-70a6-bc52-9ef49f05742c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098261
StatusPUBLIC

Content hashes

Canonical text0283a10b45cb07f35c0bfe1cd058478b0026b2aa3da4fa5b6376d757c1bd4dc2
Markdown427d0e7d854b97e5e926b7796f496a869536561c540ba0a39c63e6ebeb033a54
PDF
Publication pageb503c7050031435d1d99cec08d594ac109be32e9b5faa1332aad5681f2c0677b
Manifestfe3c43877afda9383b87902f1c422fda0b1477b50c4d2c8df495929adf93f76a

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
SignatureVqDHAJlgJ5X3XniZAyBaLVLIwKywnjVDpnADqdgQOuPnJUzsieAqj4S2zdHZLiyAlLoDkvS1jOEc82ofjYPFDg==
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

2026-09-17T09:31:27.035559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098261
observed b503c7050031435d1d99cec08d594ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:27.017870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098261/manifest.json
observed fe3c43877afda9383b87902f1c422fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.997961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098261/publication.md
observed 427d0e7d854b97e5e926b7796f496a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.978432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098261/publication.txt
observed 0283a10b45cb07f35c0bfe1cd058478b...
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.