OpenTechnical

OT-2026-000068883

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000068883) never changes.

Identity and time

Publication numberOT-2026-000068883 · never reused
Internal UUID01a0ae90-6dcc-7d91-9d29-190f149a6fdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068883
StatusPUBLIC

Content hashes

Canonical text2fb1de92a7afd1ccd94c06d1c069ddffff6bfbbccb292f9f8df07c744b656405
Markdown9cd50eb5f0e475f04de135f1ea5f349097159d64b616961eb53fbb3f95eb02b3
PDF
Publication page88868a4cea677ec98263f6fc7da1a6b5e920641fd64b4a135cda1cefeb0baf24
Manifest7bc9c934d7f5b03a148ee0b6de45db5161c90ecdf5350e2893e61e7258d2183c

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
SignaturelfmWYaw3+45jGcI6klOD+uWuAFMVo3rPNRS5STsa3p/f2qK96wxRKE4Q5FCC1dBL7Z78GmmFx/jTLvsdSaj3BQ==
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

2026-09-17T10:28:42.009597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068883
observed 88868a4cea677ec98263f6fc7da1a6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.992936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068883/manifest.json
observed 7bc9c934d7f5b03a148ee0b6de45db51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.973405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068883/publication.md
observed 9cd50eb5f0e475f04de135f1ea5f3490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.955269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068883/publication.txt
observed 2fb1de92a7afd1ccd94c06d1c069ddff...
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.