OpenTechnical

OT-2026-000008842

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000008842) never changes.

Identity and time

Publication numberOT-2026-000008842 · never reused
Internal UUID01a0ae6b-31b7-7948-8a69-41dea7d9c0bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008842
StatusPUBLIC

Content hashes

Canonical text7f70a78ed71e0fe9c044f0e7d2f2799288a300d728e1fdb2a39a57596efdc84c
Markdown7f1a43d6b804d5b453b5111e355d3223ff4f472a993255ba05ad88da7e3a039a
PDF
Publication page3ac3e4adfac7dc97e082f96132186656e5a49c4b1921b88ee295a2af84a56dc7
Manifest686bc54f5a6affbd8c073d6ead1d99a34dab70bcbad6120b729d9dbfa2d2af5f

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
SignatureD6b8VOS10n4/YQxmc33stPaI4HVAcP0j57v/m1JYUTpEQ2AkANO5AuyRvUwAlvIjg0silLuzYBiWeSrlQJtSDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:24.657557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008842
observed 3ac3e4adfac7dc97e082f96132186656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:24.636727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008842/manifest.json
observed 686bc54f5a6affbd8c073d6ead1d99a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:24.615723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008842/publication.md
observed 7f1a43d6b804d5b453b5111e355d3223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:24.590759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008842/publication.txt
observed 7f70a78ed71e0fe9c044f0e7d2f27992...
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.