OpenTechnical

OT-2026-000077787

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077787) never changes.

Identity and time

Publication numberOT-2026-000077787 · never reused
Internal UUID01a0ae95-2ed0-71f2-a98d-005749e89f4a · 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-2026-000077787
StatusPUBLIC

Content hashes

Canonical text6771d0cfbfdebf9d1784139dd21219acad2c666e43d5c704be8fcd294ed3994e
Markdown28c5ed1f6b373a875fa8890a3a44f1c64e7202b078e4be928da320b68b2f8888
PDF
Publication page9478faa2e7d91e7118c92c7604c64fa25c41625154326a6970fb76509b11a22f
Manifest37e7111b04a6fc96d699499081c9eb43e94ee6b98e0c54db75c28fe12697cabd

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
SignaturevfdjtyXE0M58UeAlCmRpo0atsMKoAKEr4fVmwnu2H3pG31LgIvdQ39Hh9jjs8BuY37lSXBXPmerN5yKm1gGYBA==
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

2026-09-17T10:07:22.468220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077787
observed 9478faa2e7d91e7118c92c7604c64fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.449025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077787/manifest.json
observed 37e7111b04a6fc96d699499081c9eb43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.430116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077787/publication.md
observed 28c5ed1f6b373a875fa8890a3a44f1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.411675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077787/publication.txt
observed 6771d0cfbfdebf9d1784139dd21219ac...
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.