OpenTechnical

OT-2026-000103376

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000103376) never changes.

Identity and time

Publication numberOT-2026-000103376 · never reused
Internal UUID01a0aea4-e460-7576-9c1d-fc2e30051076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103376
StatusPUBLIC

Content hashes

Canonical textda3c0315274ad1dbfa52bc720487b7e2d9a15a05a422a5c08c6a9571f3c41f5e
Markdown0f04c7531fda9b337ec8f5079dd42ee772e17d1fb71feb5891aace9b6bec8811
PDF
Publication paged452c34d2a03cf7887716607c2db8b6d8adcfbfea666d6019d8cb0b2ca6f64d9
Manifest7cb03b7750535ccb7854c9200d0534f8f5d0fe07302e11af40f5046d4af126cd

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
Signaturejo8sMQ40g5S29TgAm/qnPfXGuVvqL2r8QrfVft7Y3dsS2LlXNz7FUsdbjnML9gl3GwYoHfY2rN5fCmxXqnEhCA==
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

2026-09-17T09:22:06.891125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103376
observed d452c34d2a03cf7887716607c2db8b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.875576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103376/manifest.json
observed 7cb03b7750535ccb7854c9200d0534f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.825545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103376/publication.md
observed 0f04c7531fda9b337ec8f5079dd42ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.774370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103376/publication.txt
observed da3c0315274ad1dbfa52bc720487b7e2...
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.