OpenTechnical

OT-2026-000078040

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000078040) never changes.

Identity and time

Publication numberOT-2026-000078040 · never reused
Internal UUID01a0ae95-6e8c-7d41-a00a-da75e6002f9a · 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-2026-000078040
StatusPUBLIC

Content hashes

Canonical text68e569666d467aab70c77bb4e59d64667d6c08ae1fca51e364359816324be8ab
Markdownaa7f8d969a5f46cc4e6736b20e353d76dc51f0a11cd576cf60568b69af7fbe63
PDF
Publication pagecb50a8daf923d6e8c181d975fba61e21d3f19d5a6ee907cea4c00df444ee52ef
Manifest3c1cf1724ff2be319db5b8836403858ba625f9f97b8ad3b1b8ac4674fab4d0d4

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
SignaturewFc9oY3EuKwYRwyUanNSDhGEOZpDv+pGV6JbrkVsWlXdWBdmJP4OdvWXLfIyjVa/K1jC5VUbPLlFbFiDU0m1Bg==
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

2026-09-17T10:06:44.432715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078040
observed cb50a8daf923d6e8c181d975fba61e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.411530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078040/manifest.json
observed 3c1cf1724ff2be319db5b8836403858b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.391194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078040/publication.md
observed aa7f8d969a5f46cc4e6736b20e353d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.370445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078040/publication.txt
observed 68e569666d467aab70c77bb4e59d6466...
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.