OpenTechnical

OT-2026-000068854

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068854) never changes.

Identity and time

Publication numberOT-2026-000068854 · never reused
Internal UUID01a0ae90-6dcc-747d-8e06-c96c7fc1c39d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068854
StatusPUBLIC

Content hashes

Canonical text95a6cd1b2d0aabb8ea0700a7bb8687f5cfa6c7bf2e9f2c1d0e528d42ace30fa2
Markdownbaba8cd7f7827d10f73b99114031ee7ee64b486297dba0dd4f240d5cee5bc9f1
PDF
Publication pagea7a2948d47f5f793943d70e54cc16a4ed6b801a10e5a89005a73763cdfcfb405
Manifest4575693b5263b0408e00b21c08236a8dfe02c617d56b9f6160f45ec4c17fc1a3

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
Signaturek5GMDnpGovVOJkAHBUPhpp3LgGznc2+8E8W1Xb0nhdHPbuk4X+HctygtzSfTZuO11EzDdM8L81azjji9KrULDQ==
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

2026-09-17T10:28:40.009754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068854
observed a7a2948d47f5f793943d70e54cc16a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.992337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068854/manifest.json
observed 4575693b5263b0408e00b21c08236a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.974091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068854/publication.md
observed baba8cd7f7827d10f73b99114031ee7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.955983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068854/publication.txt
observed 95a6cd1b2d0aabb8ea0700a7bb8687f5...
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.