OpenTechnical

OT-2026-000089752

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089752) never changes.

Identity and time

Publication numberOT-2026-000089752 · never reused
Internal UUID01a0ae9c-1a22-7a15-9f89-9dfb00682519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089752
StatusPUBLIC

Content hashes

Canonical text0c9e1f65c1254aaeb0b0ec7dcce47595565f1b74a6489c37346281b1481e1b1d
Markdownc9fe41eccf2585628e21984c27c08443ed04d567f54a7c0e16f6e919360bfbd0
PDF
Publication paged43af62f6768d9867b1e152f45902cf4e5fcdb1b3d25c253986537dff43baf8a
Manifest9bc497951f1fca56e32af9e5662b9f207d3443cb6a80b9c14d86a4d4de9ea53f

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
SignaturetA62JkBeA08H8SRZpF/uZODJhr9Cq5VYKvfvqRcdMHKiubsyp/pEEVsFTaf7Y7P+Bf1KBy5yZhZwEpoxSr2JCA==
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

2026-09-17T09:46:50.180108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089752
observed d43af62f6768d9867b1e152f45902cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.163813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089752/manifest.json
observed 9bc497951f1fca56e32af9e5662b9f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.146528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089752/publication.md
observed c9fe41eccf2585628e21984c27c08443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.127284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089752/publication.txt
observed 0c9e1f65c1254aaeb0b0ec7dcce47595...
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.