OpenTechnical

OT-2026-000038438

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000038438) never changes.

Identity and time

Publication numberOT-2026-000038438 · never reused
Internal UUID01a0ae78-2d53-798e-b443-559fcf96e14c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038438
StatusPUBLIC

Content hashes

Canonical text5c9d89bcfbbd528b3a5475901513f75152ace2dbde92d9920fccba6feb6e264d
Markdown10301b85b320c2b1016ef2ca9eb95fceecdbaec834589a6dd3852841e0550f6b
PDF
Publication page80a62388062696039e4def5658417ec2a92fff5ded246ed86753fc0a57d6190d
Manifest80944701b994997d5b958cd4eb8942e36fe5e1055c3f3a4adc0b80291e895999

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
SignaturezoKe4pSFM5Eajq3UH0mpJCSAjNGOHe5kYGlimzDY49U6KwTZm5hTU1uvOWYItfDVI2ieNIFwqO3vtPCidSQiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:39.949776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038438
observed 80a62388062696039e4def5658417ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.933675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038438/manifest.json
observed 80944701b994997d5b958cd4eb8942e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.914415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038438/publication.md
observed 10301b85b320c2b1016ef2ca9eb95fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.896443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038438/publication.txt
observed 5c9d89bcfbbd528b3a5475901513f751...
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.