OpenTechnical

OT-2026-000060415

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000060415) never changes.

Identity and time

Publication numberOT-2026-000060415 · never reused
Internal UUID01a0ae8a-b7cb-7114-a401-c0d9a095bc93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060415
StatusPUBLIC

Content hashes

Canonical textcbb22c7bac4887ce4312710343364a4b8f8b6a8c9b1a5e69e1614e3879d503b0
Markdown48d8a9b2f640902842f27769bcf8c455d05eff05f5772fe843fa58eb332034cb
PDF
Publication page7322d1af13114f2e5b4fdea6bb30ea6609b607513e9f37d539cf023c54f2c23d
Manifest08a4e79ed8adf11cd0b5d4476e8717270d6b92c98d5098025b46625b946772cf

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
SignatureKzgviPqpcYDA3fQExOgurf5kbc1fQtNKII8d8ecxslX3v+qynz8bpMsftvVX62/v1kZ23+ROdKS8DJUthL3wBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:53.235674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060415
observed 7322d1af13114f2e5b4fdea6bb30ea66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.217460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060415/manifest.json
observed 08a4e79ed8adf11cd0b5d4476e871727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.197933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060415/publication.md
observed 48d8a9b2f640902842f27769bcf8c455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.177301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060415/publication.txt
observed cbb22c7bac4887ce4312710343364a4b...
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.