OpenTechnical

OT-2026-000068940

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068940) never changes.

Identity and time

Publication numberOT-2026-000068940 · never reused
Internal UUID01a0ae90-6dcd-7d27-9eea-f5bc085d025d · 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-2026-000068940
StatusPUBLIC

Content hashes

Canonical textabace65b517b15a84e6eecffc560ffe99072dae7cdef74edf8eb1a65241ec42e
Markdown829235faea7c8c0caa99f4148ff6cd262f0b8d278f754e33cf97f20c06153cd2
PDF
Publication page7b664348fc0ba0110db6d91fb5a8be12c3cf035756aadbd220f0ef0468ff3f76
Manifest4ed2ec40f8aaea3bc69838526b71034dc33977335bd7d71138d5c46fcb568edc

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
SignaturewP/YXcSzr9Zoc4CgWuOCNZJRSjRVuvHucs+QJ70BXZG2AFDYqJ7/YqGt0+YzOgSrjcNYDmCgGA80ZjTNY6ULDw==
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

2026-09-17T10:28:46.387553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068940
observed 7b664348fc0ba0110db6d91fb5a8be12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.370955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068940/manifest.json
observed 4ed2ec40f8aaea3bc69838526b71034d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.354134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068940/publication.md
observed 829235faea7c8c0caa99f4148ff6cd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.337551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068940/publication.txt
observed abace65b517b15a84e6eecffc560ffe9...
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.