OpenTechnical

OT-2026-000042956

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000042956) never changes.

Identity and time

Publication numberOT-2026-000042956 · never reused
Internal UUID01a0ae7b-3277-7949-9e07-c0be08c5b679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042956
StatusPUBLIC

Content hashes

Canonical text07ee39ae1fba7fd897a346e28fbf6998d1b709ed80ac2ff0bd99de05012163ae
Markdown1520b85e4c736d4ef701e22e4ed4a86e7371dc66ac888afdfbfe0aed9aaffb34
PDF
Publication page8027c7be0c071e825874a3f0cd69b0042b2b2c5e89c26f382cfc5baca512fd1a
Manifest0150e19d32fa980c34597dde62c0546baef9328e8a192c59ff4cf00627126935

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
Signature+xUnK2XD3io6/eHLTC+6rIyjYh8oqv6+Q9ypXFDSmM/3ltMr3XBqIMeeOwNph5p0ZIfbVoBRyYbp3BE6nBGkCQ==
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

2026-09-17T11:13:14.973430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042956
observed 8027c7be0c071e825874a3f0cd69b004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.954634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042956/manifest.json
observed 0150e19d32fa980c34597dde62c0546b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.934939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042956/publication.md
observed 1520b85e4c736d4ef701e22e4ed4a86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.915025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042956/publication.txt
observed 07ee39ae1fba7fd897a346e28fbf6998...
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.