OpenTechnical

OT-2026-000078105

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, on a tool changer

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-2026-000078105) never changes.

Identity and time

Publication numberOT-2026-000078105 · never reused
Internal UUID01a0ae95-6e8c-7b36-826e-4ad911d80920 · 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-2026-000078105
StatusPUBLIC

Content hashes

Canonical textaced7825ed5e5e839d123922b2d03d1f4e6e91e7e4bcfdc67db80ee7b4683ba6
Markdownb6cb0ce45811f7868dcb6298a65dfb771c8e2e4aba25cf3f9418500b0aa96a87
PDF
Publication page1a54e5fed7f0a9b320d85a163cb757f26b9987c50de4c05c375a4fa8c41f4b58
Manifestb20ecfdd0b3f8bc8937ee1a8109301a1d0db8216e3a57677df5cd321558cf975

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
SignatureQCR+TwwpzFLmS26mt7jO8+Zxh868/HikrDFxDmE1/ydAOxA7B+5Uo5QcQ5jzrMfsJihFAd6PzZRcXRU8I9SiCw==
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

2026-09-17T10:06:48.880333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078105
observed 1a54e5fed7f0a9b320d85a163cb757f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.863606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078105/manifest.json
observed b20ecfdd0b3f8bc8937ee1a8109301a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.845052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078105/publication.md
observed b6cb0ce45811f7868dcb6298a65dfb77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.826996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078105/publication.txt
observed aced7825ed5e5e839d123922b2d03d1f...
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.