OpenTechnical

OT-2026-000007878

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000007878) never changes.

Identity and time

Publication numberOT-2026-000007878 · never reused
Internal UUID01a0ae6a-908a-7790-9641-7c1f2af853a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007878
StatusPUBLIC

Content hashes

Canonical textfb2babc7d8a6a6a2fadbcd200f9aa61b51dbfb1187084b13e7f98748f97e83b4
Markdown01660630266d91fe7be347775f324b6af65d503319915bbbc915da9c938a6c67
PDF
Publication pagebaf41ab0b9bf1494b6ec135d581405bde51f36e71a23104fedd4efa61be23f9b
Manifest085b7f0ca2306468927c36634f1d7cc5d04eb7eaacf60bd61ac2f3cfb3d7d515

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
SignatureqKD1BLyzUyi/eSdWc0tb+QGYhiauP8lMF6hbwhxacnmkTlswLU3LruHRh+ucA1i64XRYnnba8I5VhOXuDrlcBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.138862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878
observed baf41ab0b9bf1494b6ec135d581405bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.121124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878/manifest.json
observed 085b7f0ca2306468927c36634f1d7cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.103544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878/publication.md
observed 01660630266d91fe7be347775f324b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.086104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878/publication.txt
observed fb2babc7d8a6a6a2fadbcd200f9aa61b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.651133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878
observed baf41ab0b9bf1494b6ec135d581405bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.632627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878/manifest.json
observed 085b7f0ca2306468927c36634f1d7cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.612759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878/publication.md
observed 01660630266d91fe7be347775f324b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:58.591370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007878/publication.txt
observed fb2babc7d8a6a6a2fadbcd200f9aa61b...
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.