OpenTechnical

OT-2026-000078089

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000078089) never changes.

Identity and time

Publication numberOT-2026-000078089 · never reused
Internal UUID01a0ae95-6e8c-7232-be05-1574b52a63e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078089
StatusPUBLIC

Content hashes

Canonical textb112477cba977995e335ece5113e555794d06fc1af15c42781605cfeb9a691bb
Markdownbef9467f85520d415f777d8140f4c0fa0b3f3efb417fbc7076896dd1d9e48dd8
PDF
Publication pageb4b5ee22ac412ac0fd98dcf2258cf568ff5fb82727bc7bcbf99b6fc051e5184a
Manifest20f16d5bb969e11c448f03cc808369046534a07c4e1cb186a40e6b76aa3f8119

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
SignatureauykEKnB9bQ0XAGsmjWPKWhX3Z7/vOmOCIrTQSGZFgSpjGVpze6k9p9mO7d2JPNFWmTMt8CPjMmUnerKrcw/Ag==
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

2026-09-17T10:06:47.876138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078089
observed b4b5ee22ac412ac0fd98dcf2258cf568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.858805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078089/manifest.json
observed 20f16d5bb969e11c448f03cc80836904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.840698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078089/publication.md
observed bef9467f85520d415f777d8140f4c0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.821943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078089/publication.txt
observed b112477cba977995e335ece5113e5557...
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.