OpenTechnical

OT-2026-000080004

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000080004) never changes.

Identity and time

Publication numberOT-2026-000080004 · never reused
Internal UUID01a0ae96-4377-774e-b3d4-dbb7802557ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080004
StatusPUBLIC

Content hashes

Canonical text98070ebdabc4b6414c35dbcfbf64b89071b00cb533a15590657f6881dc568b9e
Markdown9da772cfd134d434685f284e2f68706c09a7631b616107da83d85cb1a900bd84
PDF
Publication page6d4dfdd25ffa42c13cda48cd2c22d1f5fbfb0ed491e010ebd7ccc5f00699fa08
Manifest6ca488afafc24b8e4936f247540ee138fe449d22a76c4151bf85b560dd563c66

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
SignatureVs3uXYgWzYvXeFXfVU4qEeGOp8ioY3Jnbqno75xkrBp7s4ziF0fRMtAlKC4nEEib3ZIXNI43YxVk4rGj/a+PAQ==
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

2026-09-17T10:03:55.388552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080004
observed 6d4dfdd25ffa42c13cda48cd2c22d1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.370642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080004/manifest.json
observed 6ca488afafc24b8e4936f247540ee138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.353408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080004/publication.md
observed 9da772cfd134d434685f284e2f68706c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.322349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080004/publication.txt
observed 98070ebdabc4b6414c35dbcfbf64b890...
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.