OpenTechnical

OT-2026-000071335

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000071335) never changes.

Identity and time

Publication numberOT-2026-000071335 · never reused
Internal UUID01a0ae91-e0ec-73ab-9aa4-5c3f1f6eb4c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071335
StatusPUBLIC

Content hashes

Canonical text346e94fbf3d26800a8489b779ab7463f50e9a24c65c9eb874aad55cb5d093f03
Markdown5d2b0f4c136cecbcb5402b9818bf3e653818a82bd438c32d7ac9a787b802b280
PDF
Publication pagea320ad16626e74ce21436d640a138cb54cfd9e2beb19e8c33b74e69a6789fcc2
Manifest0f8aab92b433384310ad34f35ef14bfc45b63c3c2c97a93c69d0cdb36d4ec4a2

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
Signature8a+Gtycu3zfp73cABkZ/dLuxEnuVIVDjFogQ+OJuEqQWI9L6aW5OQdPZdI/U9gpjADnSOW8w89bcASKnhHPiAg==
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

2026-09-17T10:24:56.040498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071335
observed a320ad16626e74ce21436d640a138cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.023006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071335/manifest.json
observed 0f8aab92b433384310ad34f35ef14bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.004910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071335/publication.md
observed 5d2b0f4c136cecbcb5402b9818bf3e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.987812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071335/publication.txt
observed 346e94fbf3d26800a8489b779ab7463f...
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.