OpenTechnical

OT-2026-000074957

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000074957) never changes.

Identity and time

Publication numberOT-2026-000074957 · never reused
Internal UUID01a0ae93-ac2d-7b22-ab45-9a6d2d94606a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074957
StatusPUBLIC

Content hashes

Canonical text84e7894e2dfbe03055b353eaf22f8a2815fc0face029da48b79ca7e7ce7def71
Markdown922d4e247fb21daace952f134af08179c65a85b0e6b3cea5fb5fb21e8552b814
PDF
Publication page73caa62ffaae967420835bf4663c6286a1908c3ed9fcf499cd9ea6d96c7c418e
Manifest8969d60f5035b14272bdf036ace569939aa81168b38d96a31ff5bb0fbf4c8a20

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
Signaturegec2Fm4pEfzLvxg4SndcRWO6+eZQ7HgRCoAGwUQzIEaq5HTgP2DBsr8610c/95auFjvzUyDHSynUeHCS3/I9BA==
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

2026-09-17T10:18:45.351500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074957
observed 73caa62ffaae967420835bf4663c6286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.334244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074957/manifest.json
observed 8969d60f5035b14272bdf036ace56993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.314834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074957/publication.md
observed 922d4e247fb21daace952f134af08179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.297161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074957/publication.txt
observed 84e7894e2dfbe03055b353eaf22f8a28...
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.