OpenTechnical

OT-2026-000072645

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line 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-2026-000072645) never changes.

Identity and time

Publication numberOT-2026-000072645 · never reused
Internal UUID01a0ae92-89d9-7793-9f09-c7d5e9ca904d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072645
StatusPUBLIC

Content hashes

Canonical text4b669295288d60c2867aa6fc318753e16f5df16523e5926589e65bf1407c7a45
Markdown73779713a8b56db4586bf1683cc067de4b1b78adf0b2bd4e61685a1c233924d9
PDF
Publication page8492c9e0736cc08d822af9f6ec68326d9324b29677771055cff14dc5c534b5f6
Manifestffaf5b3d16a1b542448b21e0d0940a9f3b1721762c60bd5469734bd5f404948e

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
SignaturerPRcT7C2+BCCF/gTDRnxfNJHOsj+vGNyECf4vF21Siam9KtbdZXR0uOo5Fbf85iex7nTMA777TWrNysmCpjzAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:30.529830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072645
observed 8492c9e0736cc08d822af9f6ec68326d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.512102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072645/manifest.json
observed ffaf5b3d16a1b542448b21e0d0940a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.495641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072645/publication.md
observed 73779713a8b56db4586bf1683cc067de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.478346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072645/publication.txt
observed 4b669295288d60c2867aa6fc318753e1...
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.