OpenTechnical

OT-2026-000054283

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054283) never changes.

Identity and time

Publication numberOT-2026-000054283 · never reused
Internal UUID01a0ae85-b3a9-7894-975b-b8a575eeee98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054283
StatusPUBLIC

Content hashes

Canonical text520b3ad814e831dbe3b227cd0a5a76f4718982c8220b892a7004f830e60323f6
Markdown716ba25ab07eda347f27976b7550180154310b7d07041e43f19b36f866059625
PDF
Publication pagee3b3a7cc84d0ae9f27a6f4237d6c5fd33ad47628c2ae58a4d8f35d17f4762109
Manifest1f491278e8785c00e9a591ac93c2eb6377878b75e62946ae8fbb9cb2f8fbc56f

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
SignatureJF4L3W6yrOllYERDsRjMnonpJcP5tyi79yom6PwffQJFKxYgp4WumrPakdZrHK8X1EEbupcRqqL8rTLXuDM2Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:46.779924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054283
observed e3b3a7cc84d0ae9f27a6f4237d6c5fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.762203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054283/manifest.json
observed 1f491278e8785c00e9a591ac93c2eb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.743189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054283/publication.md
observed 716ba25ab07eda347f27976b75501801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.726471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054283/publication.txt
observed 520b3ad814e831dbe3b227cd0a5a76f4...
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.