OpenTechnical

OT-2026-000061307

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000061307) never changes.

Identity and time

Publication numberOT-2026-000061307 · never reused
Internal UUID01a0ae8b-1384-7a63-bac0-3b79f9b40b09 · 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-2026-000061307
StatusPUBLIC

Content hashes

Canonical textdebaaccbebd710b97b96d81ed97b67c62f2bf7f25767fcbc6fd39e0716385be4
Markdown9ef0425ee89aa769f84afe8568822454bf8671f7dd66864cc9702bf5911a4ff6
PDF
Publication paged3390945d92e6da244a3784bbfc0688e33fa1c5548ea78f1a2300a8113f73aed
Manifest2db69f00a0940c76d67c37cc235b2d37ffc20d660ee7dc8579ffd91c5e55b6e3

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
SignatureORydPcVQCnQAuJn6JooKNJxflo4aDEiF8WW1JoKoubh0r6SGc9CiSDhgqJZXwKZ7aXAhvCHJ92dyY1v4JsEwAw==
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

2026-09-17T10:42:44.338208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061307
observed d3390945d92e6da244a3784bbfc0688e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.319779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061307/manifest.json
observed 2db69f00a0940c76d67c37cc235b2d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.300165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061307/publication.md
observed 9ef0425ee89aa769f84afe8568822454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.264667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061307/publication.txt
observed debaaccbebd710b97b96d81ed97b67c6...
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.