OpenTechnical

OT-2026-000102913

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000102913) never changes.

Identity and time

Publication numberOT-2026-000102913 · never reused
Internal UUID01a0aea4-be3c-7970-a874-c4c137c42024 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102913
StatusPUBLIC

Content hashes

Canonical textaaa6730c7acddf951eeee5d71070c494ad067a9eb164fd1f512848318a26236e
Markdown43f3770f17e7e9f4a288bea38cd0b0274eb346479007cc2088c3ce97db6fbdfe
PDF
Publication page8a64a10004ac4724f082bfd893973332f83a638565e2266059fdf0baaff7e581
Manifest0f2c0fd706f52047ad10f43a3480cdde8ee669babe951f246f08731be7a04178

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
SignatureM+Tv8WFCvPM6sB7qB2lk7nDXNVaTbFAL+QIMKFwom5tK7f58aDP+p9AUPiPQCD9u+ec3uzXtIo5bqwugTY/+Bw==
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

2026-09-17T09:22:55.727938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102913
observed 8a64a10004ac4724f082bfd893973332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.710670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102913/manifest.json
observed 0f2c0fd706f52047ad10f43a3480cdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.690338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102913/publication.md
observed 43f3770f17e7e9f4a288bea38cd0b027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.671122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102913/publication.txt
observed aaa6730c7acddf951eeee5d71070c494...
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.