OpenTechnical

OT-2026-000073953

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000073953) never changes.

Identity and time

Publication numberOT-2026-000073953 · never reused
Internal UUID01a0ae93-2b8e-7839-b9f3-3b84978ac6c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073953
StatusPUBLIC

Content hashes

Canonical text709e47a4461313790b5dec2227e82d11ee2f0c62b3f88771a62a9db713a0c4f4
Markdownb43b1b8aa11fe2442f3b1a3397d7d59120ad465b1304a162fb09a45eb5b2f09b
PDF
Publication page9877ac7361ee755937504877a6c648c695a92582d637f5b7f0ef5c425b23d515
Manifeste2d470ca54cd281fae3abebc3e8cf20b2d3d600731778a3811d6cdae8c1710e1

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
SignaturexI+81HaPtfN1GEMg1oO5XBfJ2VAtgiRFY0u9+AqQztmko45OdLKBupG5rYJuG+0bI1hda9PoEUAktpkdPswHCQ==
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

2026-09-17T10:20:14.680081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073953
observed 9877ac7361ee755937504877a6c648c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.659579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073953/manifest.json
observed e2d470ca54cd281fae3abebc3e8cf20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.625915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073953/publication.md
observed b43b1b8aa11fe2442f3b1a3397d7d591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.607969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073953/publication.txt
observed 709e47a4461313790b5dec2227e82d11...
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.