OpenTechnical

OT-2026-000009253

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000009253) never changes.

Identity and time

Publication numberOT-2026-000009253 · never reused
Internal UUID01a0ae6b-31b9-7569-a0e1-9348ab40d253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009253
StatusPUBLIC

Content hashes

Canonical text4506b6bdf905cf3257c31528ef8d0b571d4d07e287690de44e34ccf9b9c44cd5
Markdownc977855c53f86887fe01c183747e06b492fcb889a74ee91a1ef930e0044ac55f
PDF
Publication pageb2cca51250fe274485581869dce0829189f00e3b9c8a69818a99c5051d51923d
Manifest28e46129c408463e57c08f6906552266f36d009789229a33dd21861c53fd4324

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
SignaturemEiSNUs0X8NdX0Z0ejQDtNpnhXb3bpxi/d4Zd/6ndy2bJ75g7U93VDgmSzLCWHy1eHQUZEL//36IeAqSP8TRCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:59.590657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009253
observed b2cca51250fe274485581869dce08291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.570522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009253/manifest.json
observed 28e46129c408463e57c08f6906552266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.549638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009253/publication.md
observed c977855c53f86887fe01c183747e06b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.527083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009253/publication.txt
observed 4506b6bdf905cf3257c31528ef8d0b57...
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.