OpenTechnical

OT-2026-000103218

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103218) never changes.

Identity and time

Publication numberOT-2026-000103218 · never reused
Internal UUID01a0aea4-be3f-7588-92e8-d7cdb7ae81ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103218
StatusPUBLIC

Content hashes

Canonical text8d75e1161b4752161962756136f6fc94afbf44c758c46c23e5cb7f720f24fb58
Markdownea63aff360b01f36e945adf0164c171513632a4ab22308eb8e971c19b2910bb9
PDF
Publication pagedcf269165163a45352923d02b2c3a3b63d4921564cb4c91abac04d54faef66dc
Manifest85ed0429278cf4ad337900d2bbe614912cc75df3b9e639808b54211eb5ac2353

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
SignatureHaMR/ibWoI4MR6LIuwTCOry1MdjiSnSHJYZO+2u/Z2SQmOo1Gc/0p0IjXyk8rVbdxnKCzdnvrAyO/nHW3VHSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:26.885804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103218
observed dcf269165163a45352923d02b2c3a3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.866801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103218/manifest.json
observed 85ed0429278cf4ad337900d2bbe61491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.838459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103218/publication.md
observed ea63aff360b01f36e945adf0164c1715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.811497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103218/publication.txt
observed 8d75e1161b4752161962756136f6fc94...
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.