OpenTechnical

OT-2026-000070753

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000070753) never changes.

Identity and time

Publication numberOT-2026-000070753 · never reused
Internal UUID01a0ae91-8c2c-77e8-ae4b-dcc3fddb0b9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070753
StatusPUBLIC

Content hashes

Canonical text147326500cab58b2a6beb00c6123bd49c66d34aa8509af73440457bd03c25400
Markdown382e6a0aad468f50b44de35d6dc3e66e9c41f6d6488b728cef8a50c7459dd7a9
PDF
Publication page901c6532d84fa28b52b79ae60e07271bcf95496209a07e39c77a9244c536f01a
Manifest92013e3127535bc1832d0efd6ec9bbceeaf45384fc73ee98954fcb51d327bbee

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
SignaturemA/CKjzh9WMHGLtmCrxs1xJ7hMlJLfOnfht0o0CGyeri0mBvsxoys8Opha35cxlYwGvbrIxHdSfl378F+msGCg==
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

2026-09-17T10:25:27.057848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070753
observed 901c6532d84fa28b52b79ae60e07271b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.037770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070753/manifest.json
observed 92013e3127535bc1832d0efd6ec9bbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.017487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070753/publication.md
observed 382e6a0aad468f50b44de35d6dc3e66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.001333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070753/publication.txt
observed 147326500cab58b2a6beb00c6123bd49...
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.