OpenTechnical

OT-2026-000074425

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000074425) never changes.

Identity and time

Publication numberOT-2026-000074425 · never reused
Internal UUID01a0ae93-717a-733b-9d14-70e5366938f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074425
StatusPUBLIC

Content hashes

Canonical texteaeccb7abcd9d57f0b687cb2e28f4cc2c64e291d2f388d1d2e53e9cdb64f0dbf
Markdown2156ed7c857e9935aa669c6c136b1b73e63c9f21a2c5d9a25b24b2807f43c666
PDF
Publication page26af89088b66d54e03a4fecfee1704db63b43cdeb76dca82bf0d909b81297098
Manifesta5a53fd6ade6c42a78954f5a7f049334afe60891b91f3bef3b4816508b775266

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
SignatureGKWnytM1qFCjSKcfaQgqxznr4kYAaF3+l5axMdC5agG8iWzPQbxuUaozv1z9vPgBbMmosYqseqcaygIHZANNAQ==
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

2026-09-17T10:19:22.423147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074425
observed 26af89088b66d54e03a4fecfee1704db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.404403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074425/manifest.json
observed a5a53fd6ade6c42a78954f5a7f049334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.385855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074425/publication.md
observed 2156ed7c857e9935aa669c6c136b1b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.366868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074425/publication.txt
observed eaeccb7abcd9d57f0b687cb2e28f4cc2...
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.