OpenTechnical

OT-2026-000049365

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049365) never changes.

Identity and time

Publication numberOT-2026-000049365 · never reused
Internal UUID01a0ae81-8f7b-7bde-9ed4-2bccb0038b2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049365
StatusPUBLIC

Content hashes

Canonical text78afa31433ba2c8fbc45add2d11c22935dc412fb900710550c5499b4fdbdc1f5
Markdown6d9682dc69782dbea80f025d652bd58aacbbef804da62bdfa0a2dcf642ccdea7
PDF
Publication page17eead716df793d9d1a4b275e851e439159116c7c7ab9707834b24f606c69940
Manifest7bdf4293c2d5a2a5368a8e858e6dff4adb097e378ef8ee12447673df35d7d55e

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
SignatureQQexhOi/0mI+rS8JcnqsOtbwXZZzzqKJzvHoEIhi4UrhbgRO+Lz0eCMkGoFse2q5zjI3PKL37cWd9TzJWPtNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:02:09.889800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049365
observed 17eead716df793d9d1a4b275e851e439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.869965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049365/manifest.json
observed 7bdf4293c2d5a2a5368a8e858e6dff4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.850319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049365/publication.md
observed 6d9682dc69782dbea80f025d652bd58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.828275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049365/publication.txt
observed 78afa31433ba2c8fbc45add2d11c2293...
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.