OpenTechnical

OT-2026-000073111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line 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-2026-000073111) never changes.

Identity and time

Publication numberOT-2026-000073111 · never reused
Internal UUID01a0ae92-efb5-7f57-8e15-cc25d27a11cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073111
StatusPUBLIC

Content hashes

Canonical textdd234eee3d73b8608bd5032dd101b06dfc9d58780458c8fd81a72a2363415009
Markdowne3bf2c3b6df6751a37492af4935c608fb2deec1cb2ac34170e35d971f6026477
PDF
Publication page7e09a03689306350695f1516c58b8924dbc367b8faefe5cef69ffb6554efc881
Manifestdc1015223a5a8895f4c2d0afb9e4fb9f61464b6a0848d9f0702d5cec71b7b327

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
Signature/k+R3hvnXTZWlWOYa5XLV/7CgUE9mZ9MnJnrni/muIV34ZDq7ENK3X9jjcxKAoDgxePQDneq7O6v3i8c8e2+BQ==
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

2026-09-17T10:21:02.321169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073111
observed 7e09a03689306350695f1516c58b8924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.303129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073111/manifest.json
observed dc1015223a5a8895f4c2d0afb9e4fb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.285228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073111/publication.md
observed e3bf2c3b6df6751a37492af4935c608f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.265694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073111/publication.txt
observed dd234eee3d73b8608bd5032dd101b06d...
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.