OpenTechnical

OT-2026-000101221

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000101221) never changes.

Identity and time

Publication numberOT-2026-000101221 · never reused
Internal UUID01a0aea3-c378-74ee-8eaf-3f0f1dfcea63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101221
StatusPUBLIC

Content hashes

Canonical textd802ec8864b47bcb45daf7adb16b62c5dfa4e96bc96cb345aa1c3ceb81d7d86e
Markdown2d4cfaed6c3ae214de5a3c69d0dd1bb7fe1f9d151ccce6facc3b171d3e8aeb6a
PDF
Publication pagef244301fa0779d444ba3b650d9deea1ca834c55971c21188558ee533d5c9a8f3
Manifestc1685826ca98cc994c812f4e1263be8de44f563049adef6bb20a89cbc8be93e6

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
Signature3cFl9SLKw8NUO4wdvfODibWrlfAm8gLpnftXcHK3p1JltV/4wzVX+DrVmdpZTLW2e6bG9Pcd+SAv2eJIoGyCDg==
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

2026-09-17T09:26:52.614185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101221
observed f244301fa0779d444ba3b650d9deea1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.595378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101221/manifest.json
observed c1685826ca98cc994c812f4e1263be8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.578962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101221/publication.md
observed 2d4cfaed6c3ae214de5a3c69d0dd1bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.561975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101221/publication.txt
observed d802ec8864b47bcb45daf7adb16b62c5...
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.