OpenTechnical

OT-2026-000074167

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold 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-2026-000074167) never changes.

Identity and time

Publication numberOT-2026-000074167 · never reused
Internal UUID01a0ae93-7178-7840-8893-049727a4da02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074167
StatusPUBLIC

Content hashes

Canonical textb79d203a1c6f70641688b456e035168191eb2bdf7933aa396d4da5b92ce98b55
Markdown86cde8c45957639f68a7b049cee6084e67485e0109fa38fec06109e28779ef59
PDF
Publication page66f397402fb45518d3acd664b803f0b42dfdeb9d272f027a296ce87481d7b8c6
Manifest720663e8eb30a3dd679d19bebd6f5fec874cf8c9173596b0d53d4a23f345da5e

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
SignatureZpFugKhvcXzD2tmyPncEiVOfhwEbW0EQlm8qyDi9mtJgiyxaDycOHn8kivlihADKes0veIg3uH6/Uevc/PgxBg==
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

2026-09-17T10:19:01.024690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074167
observed 66f397402fb45518d3acd664b803f0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.007161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074167/manifest.json
observed 720663e8eb30a3dd679d19bebd6f5fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.989551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074167/publication.md
observed 86cde8c45957639f68a7b049cee6084e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.971034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074167/publication.txt
observed b79d203a1c6f70641688b456e0351681...
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.