OpenTechnical

OT-2026-000091773

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091773) never changes.

Identity and time

Publication numberOT-2026-000091773 · never reused
Internal UUID01a0ae9d-43b9-7d1d-8d20-fd86077780f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091773
StatusPUBLIC

Content hashes

Canonical textea749c47d5a5ba8192fd204d4a948aa1d2ffb810c64adca01d9fe9f584cb7450
Markdown4bf559bdfc71f80cdffbbc90ec5e245b1df9a0dcd933dae3b8d6fbda8d698323
PDF
Publication pageda97ddcc434656d2baa5bf12c533aad52aeb26ccde27266679bded72b03b7ea5
Manifest694f167d4e827d966d0b7138fed700b58eab8de4913dd8bf7acd5bd762a7ac09

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
SignatureUGqQGT6tR8ycpAY8atHFBtrIlpV3+jNmTip3SPXp/iCax5/0cPAW9Op9zjBSg/I1g/p/V5eLC/IQNmeghmKoCA==
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

2026-09-17T09:42:40.139484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091773
observed da97ddcc434656d2baa5bf12c533aad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.120949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091773/manifest.json
observed 694f167d4e827d966d0b7138fed700b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.101893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091773/publication.md
observed 4bf559bdfc71f80cdffbbc90ec5e245b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.083994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091773/publication.txt
observed ea749c47d5a5ba8192fd204d4a948aa1...
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.