OpenTechnical

OT-2026-000026732

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000026732) never changes.

Identity and time

Publication numberOT-2026-000026732 · never reused
Internal UUID01a0ae71-f4ab-7630-bb9b-3106a1571923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026732
StatusPUBLIC

Content hashes

Canonical texta911e6042f35ef349234a4bd1eecc188d2a8bba79c3e422996c8b93a5715c39e
Markdown9263a040b43860238076acd39cde4c6820c4fafcd2a34a3c3fef6e6210f09f03
PDF
Publication page4d03a86742c4af220af03e4823b15a6c7b9e4d6388907e2a3ef4d35b51a2536e
Manifestc2c89a6d5fb67e8f51ecc086b644b011257bdcefdaa98945ac64cada58471790

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
Signature4UIkiV/FyOsDqdXO+tTVAqK3NUMd2nKThJliSX+B7qHGMEnNhvyvL2l3CBAz4HDs1LAVH6OzkIxWk+65pkzvBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:54.885143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026732
observed 4d03a86742c4af220af03e4823b15a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.866622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026732/manifest.json
observed c2c89a6d5fb67e8f51ecc086b644b011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.844510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026732/publication.md
observed 9263a040b43860238076acd39cde4c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.823568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026732/publication.txt
observed a911e6042f35ef349234a4bd1eecc188...
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.