OpenTechnical

OT-2026-000077685

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077685) never changes.

Identity and time

Publication numberOT-2026-000077685 · never reused
Internal UUID01a0ae95-2ecf-7db1-a3b4-a3e5a6700d74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077685
StatusPUBLIC

Content hashes

Canonical text9667765d2299ccd6c76e54a61ad1c8f7229b0fb74bf6ecb14d78597acb5c08c3
Markdown40990397bea8fff08a0534d2a202e17d6aa179219a1055c1bc78749204844181
PDF
Publication page33fa234de5babb6d026840ad78cc21c27164460a97ae8116f7fa8e6d7706a72d
Manifest62383c95174f547c0d1be0991e73d308d06d89bb5c82a733628b1b2f76cf824e

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
SignatureLyl9T3rYxX2PvSEERQPcX7gQE8KaNS6KXPC4lx8G9K4sfJNTGAvK/6quG+ODIcqQxslVBuUcS8KI921fxWJXCg==
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

2026-09-17T10:07:15.373511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077685
observed 33fa234de5babb6d026840ad78cc21c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.356933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077685/manifest.json
observed 62383c95174f547c0d1be0991e73d308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.337738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077685/publication.md
observed 40990397bea8fff08a0534d2a202e17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.318554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077685/publication.txt
observed 9667765d2299ccd6c76e54a61ad1c8f7...
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.