OpenTechnical

OT-2026-000074375

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000074375) never changes.

Identity and time

Publication numberOT-2026-000074375 · never reused
Internal UUID01a0ae93-7179-7113-9ac1-1e3da2c37393 · 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-2026-000074375
StatusPUBLIC

Content hashes

Canonical text7f7bcad75154d398d77c8c745d83a041bd0c00f6e0bf80ca4ce991793074b629
Markdown82b1044dbb55bea50119e4175c95b6eb57755364b0d24605f6bacb9381b8c0d2
PDF
Publication pagede7c2ef58ac5ba085313522bdb67ccbf1bbcc4256d59c8a9d1f5f904755c834d
Manifest07c7ae3fc5650a96ff8b41690614d62dcdd55a851cd7fef4f38c73eb47538dfd

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
SignatureZP2kmVVyGZlEWD9Drrbm4M4nfnoIt8NWyYWpOwOzH0+dt1D/sU3g2tREQjjj0c/2hWHIU1m+t3yrgX8xH29QDA==
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

2026-09-17T10:19:18.493584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074375
observed de7c2ef58ac5ba085313522bdb67ccbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.476138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074375/manifest.json
observed 07c7ae3fc5650a96ff8b41690614d62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.459882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074375/publication.md
observed 82b1044dbb55bea50119e4175c95b6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.442046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074375/publication.txt
observed 7f7bcad75154d398d77c8c745d83a041...
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.