OpenTechnical

OT-2026-000102841

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000102841) never changes.

Identity and time

Publication numberOT-2026-000102841 · never reused
Internal UUID01a0aea4-858c-70df-89f4-e151f80b684c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102841
StatusPUBLIC

Content hashes

Canonical text22486c6d75aeb674b3b3795d62184c50293efa0820e2c8a00c2b1c5a6de6e6a9
Markdown5858db6510525934a365bceb5a575c10994aa4ab2d13c5263a7230e74d66beeb
PDF
Publication paged0d0ca90a88f9afef2b43c4e72b2df44f08f5e9044cd5a6fc5830d563a62da3e
Manifestacb928689a6b61754c8bde2f86d866a45a9db863772baa46685cda672f26096c

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
SignatureTY3paetugRkzsGdU+bi5yw+l0HK3O+sPd+t447TCftbkiX0LvUWYO37BSm1mtT00y7Idg7tKopOEFgli1AMfAg==
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

2026-09-17T12:41:48.428251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841
observed d0d0ca90a88f9afef2b43c4e72b2df44...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:48.178524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841/manifest.json
observed acb928689a6b61754c8bde2f86d866a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:48.020746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841/publication.md
observed 5858db6510525934a365bceb5a575c10...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:47.859753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841/publication.txt
observed 22486c6d75aeb674b3b3795d62184c50...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.806470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841
observed d0d0ca90a88f9afef2b43c4e72b2df44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.788503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841/manifest.json
observed acb928689a6b61754c8bde2f86d866a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.769836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841/publication.md
observed 5858db6510525934a365bceb5a575c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.752228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102841/publication.txt
observed 22486c6d75aeb674b3b3795d62184c50...
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.